document.getParentObjectByClassName=function(element,css){
	var returnElement=element;
	var tag=null;
	while(!e.hasClassName(returnElement,css) && tag!="BODY"){
		returnElement=(returnElement.parentNode || returnElement.parentElement);
		if (returnElement.tagName){tag=returnElement.tagName;}
	}
	return(returnElement==element?null:returnElement);
};
document.Event=function(){
	if(document.all) return(window.event);
	var Fun=document.Event.caller;
	while(Fun!=null){
		var Arg=Fun.arguments[0];
		if(Arg){
			if((Arg.constructor==Event || Arg.constructor ==MouseEvent) || (typeof(Arg)=="object" && Arg.preventDefault && Arg.stopPropagation)) return(Arg);
			}
			Fun=Fun.caller;
	}
	Arg=Fun=null;
	return(Arg);
};
document.This=function(){
	return(document.Event().srcElement || document.Event().target);
	};

function isArray(variable){
	if (variable==null) return(false);
	var reValue=true;
	try {
		reValue=(typeof(variable)=="object"&&variable.constructor==Array)?true:false;
		}
		 catch(para) {
			 try{
				 variable.push(1);variable.pop();reValue=true;
				 }
				catch(para){
					reValue=false;
				}
			}
	return(reValue);
};
function chkDate(s){
	var reg = /^((((1[6-9]|[2-9]\d)\d{2})-(0?[13578]|1[02])-(0?[1-9]|[12]\d|3[01]))|(((1[6-9]|[2-9]\d)\d{2})-(0?[13456789]|1[012])-(0?[1-9]|[12]\d|30))|(((1[6-9]|[2-9]\d)\d{2})-0?2-(0?[1-9]|1\d|2[0-8]))|(((1[6-9]|[2-9]\d)(0[48]|[2468][048]|[13579][26])|((16|[2468][048]|[3579][26])00))-0?2-29-))$/;
		//var reg1=/^(\d{4})([-])(\d{2})([-])(\d{2})/;//yyyy-mm-dd
		//var reg2=/^(\d{4})([\/])(\d{2})([\/])(\d{2})/;//yyyy/mm/dd
		return(reg.test(s));
}
function isFunction(fun) {
	if (fun==null) return(false);
	return (typeof(fun)=='function'&&fun.constructor==Function);
};
function isString(str){
	if (str==null) return(false);
	return (typeof(str)=='string'&&str.constructor==String); 
};
function isNumber(obj){
	if (obj==null) return(false);
	return (typeof(obj)=='number'&&obj.constructor==Number); 
};
function isDate(obj){
	if (obj==null) return(false);
	return (typeof(obj)=='object'&&obj.constructor==Date); 
};
function isObject(obj){
	if (obj==null) return(false);
	return (typeof(obj)=='object'&&obj.constructor==Object); 
};
function isNull(a) {
	if (isArray(a)){return(a.length==0);}
	return(a==null || (!a&&a!=0) || (isString(a)&&(a.replace(/(^\s*)|(\s*$)/g, "")=="" || a.toLowerCase()=="null" || a.toLowerCase()=="empty")) || typeof(a)=='undefined');
};
function isBoolean(a){
	if (a==null) return(false);
  return(typeof(a) == 'boolean'&&a.constructor==Boolean);
};
function $tag(parentElement,tagstring){//getElementsByTagName
		var element=parentElement,tags=tagstring,temp=[],tmp;
		element=$(element);
		if (isNull(element)) element=document;
		if (isNull(tags)) tags="*";
		try{
			tmp=element.getElementsByTagName(tags);
		}
		catch(para){
			tmp=[];
		}
		for (var i=0; i<tmp.length; i++) {
			temp.push(tmp[i])
			}
		tmp=null;
		return(temp);
};
function chkTelephone(Tel)
{
	var i,j,strTemp;
	strTemp="0123456789-+#()";
	if (Tel.length < 7 ){
	 return 0;
	 }
	for (i=0;i<Tel.length;i++){
		j=strTemp.indexOf(Tel.charAt(i));	
		if (j==-1){
			return 0;
		}
	}
	return 1;
}

function chkMobile(m){
 var mobile=m;
 var reg0=/^13\d{9}$/;   //130--139。至少7位
 var reg1=/^15\d{9}$/;  //联通150-159。至少7位
 var my=false;
 if (reg0.test(mobile))my=true;
 if (reg1.test(mobile))my=true;
 return my;
}


function chkEmail(a){ 
	if(!a.match(/^[\w\.\-]+@([\w\-]+\.)+[a-z]{2,4}$/ig)){
		return false;
		}
	return true;
		
} 
function chkNumeric(NUM){
	var i,j,strTemp;
	var PointNum;
	PointNum=0
	strTemp="0123456789.";
	if(NUM=="")return 0;
	for (i=0;i<NUM.length;i++){
		j=strTemp.indexOf(NUM.charAt(i));	
		if (j==-1){
			return 0;
		}
		if(j==10){
			PointNum=PointNum+1;
		}
		
	}
	if(PointNum>1){
		return 0;
	}
	return 1;
}

function chkInteger(NUM){
	return(/^[0-9]+$/.test(NUM));	
}

function DrawImage(ImgD,x,y){
	var flag=false;
   var image=new Image();
   image.src=ImgD.src;
   if(image.width>0 && image.height>0){
    flag=true;
    if(image.width/image.height>= x/y){
     if(image.width>x){  
     ImgD.width=x;
     ImgD.height=(image.height*x)/image.width;
     }else{
     ImgD.width=image.width;  
     ImgD.height=image.height;
     }
     //ImgD.alt=image.width+"x"+image.height;
     }
    else{
     if(image.height>y){  
     ImgD.height=y;
     ImgD.width=(image.width*y)/image.height;     
     }else{
     ImgD.width=image.width;  
     ImgD.height=image.height;
     }
     //ImgD.alt=image.width+"x"+image.height;
     }
    }
}

function chkImageSize(ImgD,x,y){
   var image=new Image();
   image.src=ImgD;
   if(image.width>x || image.height>y){
		alert("图片的宽不能大于"+x+"像素;高不能大于"+y+"像素.");
		return false;
	}
	return true;
}


// 是否有效的扩展名
function IsExt(url, opt){
	var sTemp;
	var b=false;
	if(url==""){
		return b;
		}
	var s=opt.toUpperCase().split("|");
	for (var i=0;i<s.length ;i++ ){
		sTemp=url.substr(url.length-s[i].length-1);
		sTemp=sTemp.toUpperCase();
		s[i]="."+s[i];
		if (s[i]==sTemp){
			b=true;
			break;
		}
	}
	return b;
}

function chkLength(strTemp){
	var i,sum;
	sum=0;
	for(i=0;i<strTemp.length;i++){
		if ((strTemp.charCodeAt(i)>=0) && (strTemp.charCodeAt(i)<=255))
			sum=sum+1;
		else
			sum=sum+2;
	}
	return sum;
}



function jtrim(str)
{     
	while ((str.charAt(0)==" ")||(str.charAt(0)=="　")){
		str=str.substr(1);
		}      
	while (str.charAt(str.length-1)==" "){
		str=str.substr(0,str.length-1);
		}
     return(str);
}


//设置选中
function checkAll(obj,value){
  var arr=$A(document.getElementsByName(obj));
  arr.each(function(e,i){$(e).checked=value;})
}

//至少有一个元素被选择
function checkSub(theform,theid){
  var k=0;
  for(var i=0;i<theform.elements.length;i++){  
     var e = theform.elements[i];
     if (e.name == theid){
     if(e.checked==true){
		  k++;
		}
     }
  }
 return k;
}
function goUrl(url){
	window.location.replace(url);
}
function openUrl(url){
	window.open(url,'');
}
var openwin=function(){
	var me=this;
	me.para={win:window,width:300,height:300,reobj:"",type:"value",title:"Open Window Test"};
	this.set=function(){
		var property,Arg=arguments[0];
		if(typeof(Arg)=="object"){
			for (property in Arg) {
				me.para[property] = Arg[property];
			}
		}
		else{
			return;
		}
	};
	this.open=function(url){
		url=(url.indexOf("?")!=-1)?url+"&":url+"?";
		var aw=parseInt((screen.availWidth/2)-(me.para.width/2));
		var ah=parseInt((screen.availHeight/2)-(me.para.height/2));
		if (document.all){
			var retValues=window.showModalDialog(url+"title="+me.para.title,me.para.win, "dialogWidth:"+me.para.width+"px; dialogHeight:"+me.para.height+"px; dialogLeft:"+aw+"px; dialogTop:"+ah+"px; status:no; directories:no; menubar:no; scrollbars:no; Resizable:no; location:no;toolbar:no;");
			if (me.para.type=="value"){
				document.getElementById(me.para.reobj).value=retValues;
			}
			else{
				if (me.para.type=="html" || me.para.type=="text"){
					document.getElementById(me.para.reobj).innerHTML=retValues;
				}
				else{
					try{
						eval(me.para.reobj+"('"+retValues+"')");
					}
					catch(e){
						alert(e.description);
					}
				}
			}
			retValues=null;
			//IE End
		}
		else{
			window.open(url+"return="+me.para.reobj+"&type="+me.para.type+"&title="+me.para.title, me.para.win, "top="+aw+",left="+ah+",scrollbars=no,dialog=yes,modal=yes,width="+me.para.width+",height="+me.para.height+",resizable=no,location=no,menubar=no,toolbar=no,status=no");
		}
		aw=null;
		ah=null;
	};
};

function showlayer(layer_name)
{ 
var hidden_layer = document.getElementById(layer_name);
hidden_layer.style.display=hidden_layer.style.display==""?"none":"";
}
  
function ShowAllChannel(_this,id,bgleft,bgtop1,bgtop2){
document.getElementById(id).style.display="block";
var bgpos1 = bgleft + " " + bgtop1;
var bgpos2 = bgleft + " " + bgtop2;
document.getElementById(id).onmouseover=function(){this.style.display="block";_this.style.backgroundPosition=bgpos1;}
document.getElementById(id).onmouseout=function(){this.style.display="none";_this.style.backgroundPosition=bgpos2;}
_this.style.backgroundPosition=bgpos1;
_this.onmouseout=function(){document.getElementById(id).style.display="none";_this.style.backgroundPosition=bgpos2;}
}

window.onerror=function (){
return true;
}

function checksform(form){
	String.prototype.trim = function(){ return this.replace(/^\s+|\s+$/g,"")}
	if((form.skey.value=="") || (form.skey.value.substring(0,3)=='请输入'))
	{
	   alert("请输入您要搜索的关键词！");
	   return false;
	}
	return true;
}

//控制页面广告后载
function endAdv(str1,str2,initheight){
	document.getElementById(str1).style.height = initheight + "px";
	document.getElementById(str1).innerHTML = $(str2).innerHTML;
	document.getElementById(str2).innerHTML = "";
}