//从http://url?Prop=xxxx取出xxxx
var CallElementId=null,CallDoc=null,CallWin=null,PopParam=null,PopParam_First=null;
function GetQueryString( prop ) 
{	var re = new RegExp( prop + "=([^\\&]*)", "i" );
	var a = re.exec( document.location.search );
	if ( a == null )return null;
	return a[1];
}
function GetPopParam(name)
{
	return PopParam.Get(name);
}

function GetPopParam_First(name)
{
	return PopParam_First.Get(name);
}


function CloseWin()
{	if(window.opener)//从窗口打开本页面时
	{	window.close();
	}else if(typeof(window.dialogArguments)=="object")//从对话框打开本页面时
	{	window.close();
	}else //隐藏包含本页面的IFrame元素
	{	var frms=window.parent.frames;
		for(var i=0;i<frms.length;i++)
		{	if(window.document == frms[i].document)
			{	frms[i].frameElement.style.display="none";
				break;
			}
		}
	}
}
function SetCallDoc()
{	
	
	var doc=null,win=null;
	if(window.opener)
	{	doc = window.opener.document;
		win = window.opener;
	}else if(window.dialogHeight)
	{	
		/*
		if(typeof(window.dialogArguments)!="object" || typeof(window.dialogArguments.body)!="object")
			alert("对话框的输入参数没有设置为父窗口的document对象!");
		else
			win = window.dialogArguments;//由于对话框无window.opener,所以由参数传入
		*/
		if(typeof(window.dialogArguments)!="object" || typeof(window.dialogArguments.document)!="object")
			alert("对话框的输入参数没有设置为父窗口的window对象!");
		else
		{
			win = window.dialogArguments;//由于对话框无window.opener,所以由参数传入		
			doc=win.document;	
		}	
	}
	else if(window.parent == window)
	{	win = window;
		doc = window.document;
	}else
	{	win = window.parent;
		doc = window.parent.document;
	}	
	if(doc==null)
	{	alert("找不到返回文档!");
		CloseWin();
		return;
	}
	CallDoc = doc;
	CallWin = win;
}


function ReturnValue(rtnstr,notclose)
{	
	if(!CallDoc)
	{	alert("找不到返回文档!");
		CloseWin();
		return;
	}
	

	var onPopAfter=CallWin.GetEval(OnPopAfter);//获得回调方法;
	var ele = CallDoc.all(CallElementId);
	
	if(!onPopAfter&&!ele)
	{	
		alert("指定返回方法错误!")
	}
	else if(onPopAfter)
		onPopAfter(CallElementId,rtnstr);//回调方法onPopAfter(id,rtnvalue)
	else if(ele)
	{	
	if(ele.Co)//属于Jc系列元素input type=text jctype='jcpopup'
		{	if(!ele.Co.SetReturn)
			{
				if(ele.Co.SetValue)
					ele.Co.SetValue(rtnstr);
				else
					alert("指定返回元素没有实现SetReturn(str)接口!")
			}
			else
				ele.Co.SetReturn(rtnstr);
		}
		else
			ele.value=rtnstr;//属于一般元素如input type=text
	}
	
	//alert(ele);
	
	if(!notclose)
		CloseWin();
}

function ReturnValueEx(rtnstr,rtnstr2,notclose)
{	
	if(!CallDoc)
	{	alert("找不到返回文档!");
		CloseWin();
		return;
	}
	

	var onPopAfter=CallWin.GetEval(OnPopAfter);//获得回调方法;
	var ele = CallDoc.all(CallElementId);
	
	if(!onPopAfter&&!ele)
	{	
		alert("指定返回方法错误!")
	}
	else if(onPopAfter)
		onPopAfter(CallElementId,rtnstr);//回调方法onPopAfter(id,rtnvalue)
	else if(ele)
	{	
	if(ele.Co)//属于Jc系列元素input type=text jctype='jcpopup'
		{	if(!ele.Co.SetReturn)
			{
				if(ele.Co.SetValue)
					ele.Co.SetValue(rtnstr);
				else
					alert("指定返回元素没有实现SetReturn(str)接口!")
			}
			else
			 {
			  	ele.Co.SetReturn(rtnstr);
			  	
			  	ele.Co.SetReturn_First(rtnstr2);
			  	 
			 }
		}
		else
			ele.value=rtnstr;//属于一般元素如input type=text
	}
	
	//alert(ele);
	
	if(!notclose)
		CloseWin();
}

function InitReturn()
{
	CallElementId=GetQueryString("CallElementId");
	OnPopAfter=GetQueryString("OnPopAfter");
	PopParam=new StringParam(GetQueryString("PopParam"));
	
	PopParam_First=new StringParam(GetQueryString("PopParam_First"));
		
	//if(!CallElementId&&!OnPopAfter)
	//{	alert("请指定返回方法!")
	//	CloseWin();
	//}
	SetCallDoc();
}