/****************************************************************************************

  庚岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸庖
  岫庚岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸庖念岸岸 Main Frame (DIV)
  岫岫庚岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸庖岫岫
  岫岫岫庚岸岸岸岸岸岸岸岸岸岸岸岸庖					 庚岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸庖岫念拈岸岸 Inner Border(DIV)
  岫岫岫岫Caption(DIV)岫					 岫Close Button(DIV)岫岫岫岫
  岫岫岫弩岸岸岸岸岸岸岸岸岸岸岸岸彼					 弩岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸彼念拈拈岸岸 Titlebar(DIV) 
  岫岫弩岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸彼岫岫
  岫岫庚岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸庖岫岫
  岫岫岫								  				  	岫岫岫
  岫岫岫											  	  	岫岫岫
  岫岫岫									 			  	岫岫岫
  岫岫岫				  								  	岫岫岫
  岫岫岫								  				  	岫岫岫
  岫岫岫			Dialog View	(IFRAME Element)		    岫岫岫
  岫岫岫				  								  	岫岫岫
  岫岫岫				  								  	岫岫岫
  岫岫岫				  								  	岫岫岫
  岫岫岫											  	  	岫岫岫
  岫岫岫												    岫岫岫
  岫岫弩岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸彼岫岫
  岫弩岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸彼岫
  弩岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸岸彼
  
*****************************************************************************************/

//---------------------------------------------------------------------------------------
//YzDialog Core Class
//---------------------------------------------------------------------------------------
var YzDialog=function(url,caption,width,height,param,onReturn,win)
{
	Yz.instance.add(this);
	
	this.onReturn=onReturn;
	this.url=url;
	this.caption=caption;
	this.clientHeight=height;
	this.clientWidth=width;
	this.height=height+24;
	this.width=width+4;
	this.param=param;
	this.onReturn=onReturn;
	this.returnValue=null;
	this.window=win;
	
	this.titleBarId=this.handle+"_titleBar";
	this.iframeId=this.handle+"_iframe";
	this.closeButtonId=this.handle+"_closeButton";
	this.shadowId=this.handle+"_shadow";
	this.innerBoxId=this.handle+'_innerBox';
	this.loadingBarId=this.handle+'_loadingBar';
}
Yz.dialog=YzDialog;
Yz.dialog.prototype=
{
	getType : function(){return "YzDialog";},
	setSize : function(clientWidth,clientHeight)
	{
		this.clientHeight=clientHeight;
		this.clientWidth=clientWidth;
		this.width=clientWidth+4;
		this.height=clientHeight+24;//titlebar height:24px border height:4px
	},
	show : function()
	{
		var doc=this.window.document;
		//-----------------------------------------------------------------------------
		var frameDiv=doc.getElementById(this.handle);
			frameDiv.style.visibility="visible";
		//-----------------------------------------------------------------------------	
		var ifrm=doc.getElementById(this.iframeId);
			ifrm.src=this.url;
			ifrm.contentWindow.focus();	
		//-----------------------------------------------------------------------------
		//display cover and register Dragbox
			frameDiv.style.zIndex=2+YzDialogCover.show();
			YzDialogDragBox.addRef(this.handle);
		//-----------------------------------------------------------------------------
		//display shadow
		var shadow=doc.getElementById(this.shadowId);
			shadow.style.zIndex=frameDiv.style.zIndex-1;
			
			ifrm.contentWindow.focus();
			frameDiv=null; doc=null; shadow=null;
	},
	loadingComplete : function()
	{
		var dom=this.window.document.getElementById(this.loadingBarId);
			if(dom)
			{
				dom.style.display='none';
				Yz.util.removeNode(dom);
				this.loadingBarId=null;
			}
			
	},
	createLoadingBar : function()
	{
		if(this.hasLoadingBar!=true)return;
		
		var doc=this.window.document;
		var ch=doc.documentElement.clientHeight;
		var cw=doc.documentElement.clientWidth;
		
		var html='<table cellpadding="0" cellspacing="0" width="100%" height="100%"><tr><td align="center"><table><tr><td><div class="dialog_loading"><div class="dialog_loading_mid"><div class="dialog_loading_inner">Loading, please wait a moment ... ...</div></div></div></td></tr></table></td></tr></table>';
		
		var loadingDiv=this.window.document.createElement('DIV');
			loadingDiv.style.position="absolute";
			loadingDiv.style.zIndex=20000;
			loadingDiv.style.left='0';
			loadingDiv.style.top='0';
			loadingDiv.style.width=cw+'px';
			loadingDiv.style.height=ch+'px';
			loadingDiv.style.backgroundColor='';
			loadingDiv.innerHTML=html;
			loadingDiv.id=this.loadingBarId;
			this.window.document.body.appendChild(loadingDiv);
	},
	create : function()
	{		
		var doc=this.window.document;
		
		//1 create a div object as the dialog outer border
		var frameDiv=doc.createElement("div");
			frameDiv.style.left="-2000px";
			frameDiv.style.top="-2000px";
			frameDiv.style.width=this.width-2+"px";
			frameDiv.style.height=this.height-2+"px";
			frameDiv.style.visibility="hidden";
			frameDiv.style.zIndex=1000;
			frameDiv.className="YzDialog_outerBorder";
			frameDiv.id=this.handle;
		
		//2 inner border	
		var divInner=doc.createElement("div");	
			divInner.style.height=this.height-4+"px";
			divInner.style.width=this.width-4+"px";
			divInner.className="YzDialog_innerBorder";
			divInner.id=this.innerBoxId;
		
		//3 title bar
		var divTitlebar=doc.createElement("div");
			divTitlebar.style.width=this.width-4+"px";
			divTitlebar.className="YzDialog_titleBar";
			divTitlebar.id=this.titleBarId;
			
		//4 caption
		var divCaption=doc.createElement("div");
			divCaption.innerHTML=this.caption;
			divCaption.className="YzDialog_caption";
			divTitlebar.appendChild(divCaption);
			
		
		//5 close button
		var divCloseButton=doc.createElement("div");
			divCloseButton.className="YzDialog_closeButton_out";
			divCloseButton.onclick=YzDialog_onclose;
			divCloseButton.onmouseover=YzDialog_closebutton_onmouseover;
			divCloseButton.onmouseout=YzDialog_closebutton_onmouseout;
			divCloseButton.id=this.closeButtonId;
			
			divTitlebar.appendChild(divCloseButton);
			divInner.appendChild(divTitlebar);
				
		//6 a iframe object holder the dialog 		
		var ifrm=doc.createElement('IFRAME');
			ifrm.id				= this.iframeId;
			ifrm.frameBorder	= '0';
			ifrm.scrolling		= 'no' ;
			//ifrm.style.position	= 'absolute';
			ifrm.width 			= this.clientWidth+'px'; 
			ifrm.height 		= this.clientHeight+'px';
			//ifrm.src			= "javascript:'';";
			
			divInner.appendChild(ifrm);	
			frameDiv.appendChild(divInner);
			doc.body.appendChild(frameDiv);
			
			//IMPORTANT, as the outline CSS render delay will cause the scrollbar for top window
			frameDiv.style.position="absolute";
			
			ifrm.dialogHandle=this.handle;

		//7 shadow layer
		var sw=Yz.isIE ? 0 : 16;
		var shadow=doc.createElement("div");
			shadow.className=Yz.isIE ? "YzDialog_shadow" : "YzDialog_shadow_ff";
			shadow.style.display="none";
			shadow.style.width=this.width+sw+"px";
			shadow.style.height=this.height+sw+"px";
			shadow.style.top='-2000px';
			shadow.style.left='-2000px';
			shadow.id=this.shadowId;
			
			if(Yz.isIE==false)
			{
				shadow.innerHTML=''+
				'<div id="'+this.handle+'_FFsd_bl" class="dialog_shadow_bl"></div>'+
				'<div id="'+this.handle+'_FFsd_bc" class="dialog_shadow_bc" style="width:'+(this.width+2-32)+'px;"></div>'+
				'<div id="'+this.handle+'_FFsd_br" class="dialog_shadow_br"></div>'+
				'<div id="'+this.handle+'_FFsd_rc" class="dialog_shadow_rc" style="height:'+(this.height+16-44-49)+'px;"></div>'+
				'<div id="'+this.handle+'_FFsd_rt" class="dialog_shadow_rt"></div>'+
				'<div id="'+this.handle+'_FFsd_rb" class="dialog_shadow_rb"></div>';
			}
			
			doc.body.appendChild(shadow);
			
		//8	loading bar
			this.createLoadingBar();
			
			this.enableDrag();
			
			doc=null; frameDiv=null; divInner=null; divTitlebar=null;	
			divCaption=null; divCloseButton=null; ifrm=null; shadow=null; 
	},
	
	destory : function()
	{
		var doc=this.window.document;
		
		//1 destory iframe object 
		var ifrm=this.window.document.getElementById(this.iframeId);
			ifrm.onreadystatechange=null;
			Yz.util.removeNode(ifrm);
			ifrm=null;
			
		//2 detach close button eventㄛand remove node
		var cb=doc.getElementById(this.closeButtonId);
			cb.onclick=null;
			cb.onmouseover=null;
			cb.onmouseout=null;
			Yz.util.removeNode(cb);
			cb=null;	
		
		//3 detach titlebar event and remove the node
		var titleBar=doc.getElementById(this.titleBarId);
			titleBar.onmousedown=null;
			titleBar.onmousemove=null;
			titleBar.onmouseup=null;
			Yz.util.removeNode(titleBar);
			titleBar=null;
			
		//4 remove dialog main div node
		var frameDiv=doc.getElementById(this.handle);	
			Yz.util.removeNode(frameDiv);
			frameDiv=null;
		
		//5 remove shadow layer dom node	
		var sd=doc.getElementById(this.shadowId);	
			Yz.util.removeNode(sd);
			sd=null;
		
		//6 remove loading bar dom object
			if(this.loadingBarId)
			{
				var lbar=doc.getElementById(this.loadingBarId);
					Yz.util.removeNode(lbar);	
					lbar=null;
			}
			
		//7 hide cover mask and unregister dragbox
			YzDialogCover.hide();
			YzDialogDragBox.release();
			
		//8 call dialog return function	
			if(this.onReturn)
			{
				this.onReturn(this.returnValue);
				this.onReturn=null;
			}
			
			Yz.instance.remove(this);
	},
	close : function()
	{
		//1 close dialog page and remove the iframe node
		//  if there is a  function named dispose in the page, will call it
		//  and will close dialog if the function returns true
		var ifrm=this.window.document.getElementById(this.iframeId);
			
			if(ifrm.contentWindow.dispose)
				if(!ifrm.contentWindow.dispose())
					return;
			if(Yz.isIE)
			{
				ifrm.onreadystatechange=onYzDialogIFRAMEUnloaded;
				ifrm.src="javascript:'';";
				//ifrm.src="about:blank";
				//this.destory();
			}
			else
			{
				ifrm.src="javascript: void(0);";
				this.destory();
			}
			ifrm=null;
	},
	getWindowRect : function()
	{
		var frameDiv=this.window.document.getElementById(this.handle);
		var l=frameDiv.style.left,t=frameDiv.style.top;
		var w=frameDiv.style.width,h=frameDiv.style.height;
		var z=frameDiv.style.zIndex;
			frameDiv=null;
			
		return {"left" : l, "top" : t, "width" : w, "height" : h, "zIndex" : z};	
	},
	getClientHeight : function()
	{
		return this.window.document.getElementById(this.iframeId).offsetHeight;
	},
	centerWindow : function()
	{
		var doc=this.window.document;
		var frameDiv=doc.getElementById(this.handle);
		var ch=doc.documentElement.clientHeight;
		var cw=doc.documentElement.clientWidth;
		var	x=(cw-this.width)/2;
		var	y=(ch-this.height)/2+doc.documentElement.scrollTop;
			//frameDiv.style.left=x+'px';
			//frameDiv.style.top =y+'px';
			
			this.moveTo(x,y);
	},
	moveTo : function(x,y)
	{
		x=parseInt(x); y=parseInt(y);
		var frameDiv=this.window.document.getElementById(this.handle);
			frameDiv.style.left=x+"px";
			frameDiv.style.top=y+"px";
			frameDiv=null;
		var sox=Yz.isIE ? -2 : -4;
		var soy=Yz.isIE ? -2 : -7;
		var shadow=this.window.document.getElementById(this.shadowId);
			shadow.style.left=x+sox+"px";
			shadow.style.top=y+soy+"px";
			shadow.style.display='';
			shadow=null;
	},
	resize : function(w,h)
	{
		this.setSize(w,h);

		var frameDiv=this.window.document.getElementById(this.handle);
			frameDiv.style.width=this.width-2+"px";
			frameDiv.style.height=this.height-2+"px";
			
		var ifrm=this.window.document.getElementById(this.iframeId);	
			ifrm.width 			= this.clientWidth+'px'; 
			ifrm.height 		= this.clientHeight+'px';
			
		var divInner=this.window.document.getElementById(this.innerBoxId);	
			divInner.style.height=this.height-4+"px";
			divInner.style.width=this.width-4+"px";
	
		var divTitlebar=this.window.document.getElementById(this.titleBarId);	
			divTitlebar.style.width=this.width-4+"px";
		
		var sw=Yz.isIE ? 0 : 16;
		var shadow=this.window.document.getElementById(this.shadowId);
			shadow.style.width=this.width+sw+"px";
			shadow.style.height=this.height+sw+"px";
			if(Yz.isIE==false)
			{
				shadow.childNodes[1].style.width=this.width+2-32+'px';
				shadow.childNodes[3].style.height=this.height+16-44-49+'px';
			}
			
		this.centerWindow();	
	},
	
	setReturnValue : function(val)
	{
		this.returnValue=val;
	},
	setCaption : function(txt,bAppend)
	{
		if(bAppend)
			this.window.document.getElementById(this.titleBarId).firstChild.innerHTML+=txt;
		else
			this.window.document.getElementById(this.titleBarId).firstChild.innerHTML=txt;
	},
	enableDrag : function()
	{
		var divTitlebar=document.getElementById(this.titleBarId);
		if(Yz.isIE)
			divTitlebar.onmousedown=YzDialog_startDragging;
		else
			enableDragFF(divTitlebar);
	},
	sendMessage : function(msg)
	{
		var ifrm=this.window.document.getElementById(this.iframeId);
		if(ifrm.contentWindow.onMessage)
		{
			ifrm.contentWindow.onMessage.call(this,msg);
		}
		return true;
	}
}
function onYzDialogIFRAMEUnloaded()
{
	if(this.readyState=="complete")
	{
		Yz.util.delay(realDestory,this.id);
	}
}
function realDestory(iframeId)
{
	Yz.dialog.fromHandle(iframeId).destory();
}
//---------------------------------------------------------------------------------------
// Dialog Display Cover
//---------------------------------------------------------------------------------------
var YzDialogCover=
{
	cover : null,
	reference : 0,
	create : function()
	{
		if(this.cover)return;
		var div=window.top.document.createElement("div");
		div.className="YzDialog_cover";
		div.id="YzDialogCover_"+Yz.util.newGuid();
		div.style.left="-2000px";
		div.style.top="-2000px";
		div.style.position='absolute';
		div.style.display='none';
		Yz.util.disableSelection(div);
		window.top.document.body.appendChild(div);
		this.cover=div;
		div=null;
		this.reference=0;
	},
	show : function()
	{
		if(!this.cover)this.create();
			this.reference++;
		
		var ow=window.top.document.body.clientWidth;
		var oh=Math.max(document.documentElement.scrollHeight,document.documentElement.clientHeight,document.documentElement.offsetHeight);
			this.cover.style.left="0";
			this.cover.style.top="0";
			this.cover.style.width=ow+"px";
			this.cover.style.height=oh+"px";
			this.cover.style.display="";
			this.setZIndex();
			
			return parseInt(this.cover.style.zIndex);
	},
	hide : function()
	{
		if(!this.cover)return;
		this.reference--;
		this.setZIndex();
		
		//if there is not any reference to the cover,remove the cover DOM node
		if(this.reference<=0)
		{
			Yz.util.removeNode(this.cover);
			this.cover=null;
			this.reference=0;
		}
	},
	setZIndex : function(zIndex){this.cover.style.zIndex=zIndex || this.reference*1000+1000;}
}

//---------------------------------------------------------------------------------------
// Dialog DragBox
//---------------------------------------------------------------------------------------
var YzDialogDragBox=
{
	referer : [],
	box : null,
	addRef : function(dialogHandle){this.referer.push(dialogHandle);},
	release : function()
	{
		this.referer.pop();
		if(this.referer.length==0 && this.box)
		{
			Yz.util.removeNode(this.box);
			this.box=null;
		}
	},
	create : function()
	{
		if(this.box)return;
		var div=document.createElement("div");
			div.id="YzDialogDragBox_"+Yz.util.newGuid();
			div.className="YzDialog_dragBox";
			document.body.appendChild(div);
			this.box=div;
			div=null;
	},
	show : function(x,y)
	{
		if(!this.box)this.create();
		var dlgInst=Yz.dialog.fromHandle(this.referer[this.referer.length-1]);
		var rect=dlgInst.getWindowRect();
		dlgInst=null;
		
		this.box.style.left=rect.left;
		this.box.style.top=rect.top;
		this.box.style.width=rect.width;
		this.box.style.height=rect.height;
		this.box.style.zIndex=rect.zIndex+1000;
		this.box.style.display="";
		
		YzDialogCover.setZIndex(rect.zIndex+5);
		
		this.startLeft=parseInt(rect.left);
		this.startTop=parseInt(rect.top);
		this.startX=x; this.startY=y;
		
		rect=null;
	},
	hide : function()
	{
		this.box.style.display="none";	
		var	dlgInst=Yz.dialog.fromHandle(this.referer[this.referer.length-1]);
			dlgInst.moveTo(this.box.style.left,this.box.style.top);
			dlgInst=null;
			
			YzDialogCover.setZIndex();
			
	},
	moveTo : function(x,y)
	{
		this.box.style.left=this.startLeft+x-this.startX+"px";
		this.box.style.top=this.startTop+y-this.startY+"px";
	}
}

//---------------------------------------------------------------------------------------
// events
//---------------------------------------------------------------------------------------
//{{{drag and drop
function YzDialog_startDragging()
{
	if(event.srcElement.id.indexOf("_closeButton")>0)return;
	YzDialogDragBox.show(event.x,event.y);
	this.onmousemove=YzDialog_dragging;
	this.onmouseup=YzDialog_stopDragging;
	Yz.util.delay(function(ttb){ttb.setCapture();},this);
}
function YzDialog_dragging(){YzDialogDragBox.moveTo(event.x,event.y);}
function YzDialog_stopDragging()
{
	this.releaseCapture(); 
	this.onmousemove=null;
	this.onmouseup=null;
	YzDialogDragBox.hide();
}
//drag functions in firefox
function enableDragFF(dragHandleElt)
{
	dragHandleElt.onmousedown=function(e)
	{
		//disable drag on close button
		if(e.target.id.indexOf("_closeButton")>0)return;
		window.captureEvents(Event.MOUSEMOVE|Event.MOUSEUP);
		YzDialogDragBox.show(e.screenX,e.screenY);	
		
		window.onmousemove=function(ev)
		{
			YzDialogDragBox.moveTo(ev.screenX,ev.screenY);
		}
		
		window.onmouseup=function()
		{
			window.releaseEvents(Event.MOUSEMOVE|Event.MOUSEUP);
			
			window.onmousemove=null;
			window.onmouseup=null;
			YzDialogDragBox.hide();
		}
	}
}
//}}}
//---------------------------------------------------------------------------------------
function YzDialog_onclose()
{
	var inst=Yz.dialog.fromHandle(this.id);
		if(inst)inst.close();
		inst=null;
}
function YzDialog_closebutton_onmouseover(){this.className=this.className.replace("out","over");}
function YzDialog_closebutton_onmouseout(){this.className=this.className.replace("over","out");}
//---------------------------------------------------------------------------------------

//---------------------------------------------------------------------------------------
// YzDialog Public Interface Static class
//---------------------------------------------------------------------------------------
Yz.dialog.styleAdded=false;
Yz.dialog.fromHandle = function(handle)
{
	handle=handle.replace("_iframe","").replace("_closeButton","");
	return Yz.instance.get(handle);
}
Yz.dialog.show=function(url,caption,onReturn,param)
{
	if(Yz.dialog.styleAdded==false)
	{
		Yz.util.importStyleSheet(document,"__YzDialog.css");
		YzDialog.styleAdded=true;
	}
	
	var dlgInst=new Yz.dialog(url,caption,380,180,param,onReturn,window);
		dlgInst.hasLoadingBar=true;
		dlgInst.create();
		dlgInst.show();
		//dlgInst.centerWindow();
	var handle=dlgInst.handle;	
		dlgInst=null;
	
		return handle;	
}
Yz.dialog.showMessageDialog=function(url,caption,width,height,param,onReturn)
{
	//window object is always the top window,as the YzDialog.js only can be loaded 
	//one time in the top window,other IFRAME window always use the top window's Yz.dialog object
	
	//load css file into the top window
	//-----------------------------------------------------------------------------
	if(Yz.dialog.styleAdded==false)
	{
		Yz.util.importStyleSheet(document,"__YzDialog.css");
		YzDialog.styleAdded=true;
	}
	
	var dlgInst=new Yz.dialog(url,caption,width,height,param,onReturn,window);
		dlgInst.hasLoadingBar=false;
		dlgInst.create();
		dlgInst.show();
	var handle=dlgInst.handle;	
		dlgInst=null;
	
		return handle;	
}
Yz.dialog.close=function(handle){Yz.dialog.fromHandle(handle).close();}
Yz.dialog.setReturnValue=function(handle,val){Yz.dialog.fromHandle(handle).setReturnValue(val);}
Yz.dialog.setCaption=function(handle,txt){Yz.dialog.fromHandle(handle).setCaption(txt);}
Yz.dialog.appendCaption=function(handle,txt){Yz.dialog.fromHandle(handle).setCaption(txt,true);}
Yz.dialog.getClientHeight=function(handle){return Yz.dialog.fromHandle(handle).getClientHeight();}
Yz.dialog.getWindowRect=function(handle){return Yz.dialog.fromHandle(handle).getWindowRect();}
Yz.dialog.moveTo=function(handle,x,y){return Yz.dialog.fromHandle(handle).moveTo(x,y);}
Yz.dialog.centerWindow=function(handle){return Yz.dialog.fromHandle(handle).centerWindow();}
Yz.dialog.resize=function(handle,w,h){return Yz.dialog.fromHandle(handle).resize(w,h);}
Yz.dialog.loadingComplete=function(handle){Yz.dialog.fromHandle(handle).loadingComplete();}

Yz.dialog.sendMessage=function(handle,msg)
{
	Yz.dialog.fromHandle(handle).sendMessage(msg);
}

Yz.dialog.getTextMetrics=function(str)
{
	var s=window.top.document.createElement("div");
		s.style.position="absolute";
		s.style.left="-5000px";
		s.innerHTML=str.replace(/\n/g,"<br/>");
		window.top.document.body.appendChild(s);
		
		w=s.offsetWidth+80;
		h=s.offsetHeight+100;
		
		s.parentNode.removeChild(s);
		s=null;
		
		return {width:w,height:h};
}

Yz.dialog.alert=function(msg,caption,retCallback,w,h)
{
	msg=msg || ""; if(!caption || caption.trim()=="")caption=" Infomation ";
	//w=w || 300; h=h || 150;
	var url="MessageBox.html?t=0";
	var m=Yz.dialog.getTextMetrics(msg);
		w=m.width; h=m.height-26;	
		if(w<250)w=250; if(h<100)h=100;
		
	Yz.dialog.showMessageDialog(url,caption,w,h,msg,retCallback);
};

Yz.dialog.confirm=function(msg,retCallback,caption,w,h)
{
	msg=msg || ""; if(!caption || caption.trim()=="")caption=" Infomation ";
	var url="MessageBox.html?t=1";
	var m=Yz.dialog.getTextMetrics(msg);
		w=m.width; h=m.height-26;	
		if(w<250)w=250; if(h<100)h=100;
		
	Yz.dialog.showMessageDialog(url,caption,w,h,msg,retCallback);
};

Yz.dialog.prompt=function(msg,caption,retCallback,w,h)
{
	msg=msg || ""; if(!caption || caption.trim()=="")caption=" Infomation ";
	w=w || 300; h=h || 150;
	var url="MessageBox.html?t=2";
	Yz.dialog.showMessageDialog(url,caption,w,h,["prompt",msg],retCallback);
};

/*function YzSetTimeout(fn,thisObject,milliseconds,paramArr,win)
{
	if(typeof fn=="function")
	{
		if(typeof milliseconds=="undefined")milliseconds=0;
		var win=arguments[4] || window;
		win.setTimeout(function(){
			if(paramArr)
				fn.apply(thisObject || win,[].concat(paramArr));
			else
				fn.apply(thisObject || win);	
			},
			milliseconds
		);
	}
}*/