function showContentDiv( refid ) {
	var obj = document.getElementById("Layer2");
	var replyDiscuss="head"+refid;
	obj.style.top = getAbsoluteTop(document.getElementById(replyDiscuss) ) + "px";
	
	obj.style.left = getAbsoluteLeft(document.getElementById(replyDiscuss)) + "px";
	
	document.getElementById("parentId").value=refid;
	obj.style.display = "";
}


function modifyDiscuss()
{
	document.getElementById("modifyForm").submit();
}

function delDiscuss()
{
	document.getElementById("delForm").submit();
}

function closeContent()
{
	document.getElementById("Layer2").style.display = "none";
}

function commitDiscuss(formId){
	if(formId=="discussForm"){
	if(document.getElementById("discussAuthorContent").value==""){
		alert('\u8bf7\u8f93\u5165\u8bc4\u8bba\u5185\u5bb9!');
		return false;
	}else{
		document.getElementById(formId).submit();
	return true;
	}
	}else if(formId=="replyForm"){
		if(document.getElementById("replyContent").value==""){
			alert('\u8bf7\u8f93\u5165\u8bc4\u8bba\u5185\u5bb9!');
		return false;
		}else{
			
			document.getElementById(formId).submit();
			return true;
		}
	}
	
}


function checkLen(id){
	var len=0;
	var content=document.getElementById(id).value; 
	var maxLen=1000;
	if(content.length>maxLen){
		document.getElementById(id).value=content.substr(0,maxLen); 
		len=0;
	}else{
		len=maxLen-content.length;
	}
	var show="\u4f60\u8fd8\u53ef\u4ee5\u8f93\u5165"+len+"\u4e2a\u5b57\uff01"; 
	if(id=='discussAuthorContent')
	document.getElementById("canInput").innerHTML=show; 
	else
		document.getElementById("canReply").innerHTML=show;
}