/**
* 验证能否支持Cookies
*/
var checkOk = new Array();
checkOk[0] = "12288";
checkOk[1] = "8364";
function existsCookies()
{
	var values=window.clientInformation.cookieEnabled
	return values
}
/**
* 验证字符串的长度
*/
function checkByteLength(str,minlen,maxlen) 
{
	if (str == null) return false
	var l = str.length;
	var blen = 0;
	for(i=0; i<l; i++) {
		if ((str.charCodeAt(i) & 0xff00) != 0) 
		{
			blen ++;
		}
			blen ++;
		}
		if (blen > maxlen || blen < minlen)
		 {
			return false
			}
			return true
	} 
/**
* 合法性
*/
function checkchi(myint) 
{

var checkStr = myint;
var allValid = true;
for (i = 0;  i < checkStr.length;  i++)
{

    ch = checkStr.charCodeAt(i);
	
    if (ch > 256 && !isOkChar(ch))
    {      
      	allValid = false;
     	break;
    }
}
if (!allValid)
{
	return (false);
}

	return (true);

}
/**
* 字符串
*/
function isOkChar(ch)
{
	for (j = 0;  j < checkOk.length;  j++)
      	if (ch == checkOk[j])
      	{
        	return true;
		}
	return false;
	
}
/**
* 有焦点字符串验证
*/
function validateString(objs,minls,maxls)
{
	if (!checkchi(objs.value)) 
	{
		objs.focus()
		return false
	}
	else if(!checkByteLength(objs.value,minls,maxls)) 
	{
		objs.focus()
		return false
	}
	else
	{
		return true
	}
}
function validateStringNull(objs,minls,maxls)
{
	if (!checkchi(objs.value)) 
	{
		return false
	}
	else if(!checkByteLength(objs.value,minls,maxls)) 
	{
		return false
	}
	else
	{
		return true
	}
}

function validateDropDownList(bizType)
{

	if(bizType.value==0)
		{
		bizType.focus()
		return false;
		}
	else
		{
		return true;
		}

}
function validateEmail(email)
{
var patrn=/^(.+)@(.+)$/;
if (!patrn.exec(email.value)) 
	{
		email.focus()
		return false;
	}
	else
	{
		return true;
	}
}
function stringCheckNull(obj)
{
	if(trim(obj.value)=="")
		{
		 obj.focus()
		 return false
		}
	else
	 return true
}
function ltrim(s){ 
return s.replace( /^\s*/, ""); 
} 
function rtrim(s){ 
return s.replace( /\s*$/, ""); 
}
function trim(s){ 
return rtrim(ltrim(s)); 
}
function etSel(mysel,i)
{
	mysel.selectedIndex=i;
}
function Check_FileType(str)
{
 var pos = str.lastIndexOf(".");
 var lastname = str.substring(pos,str.length)  //此处文件后缀名也可用数组方式获得str.split(".") 
 if (lastname.toLowerCase()!=".jpg" && lastname.toLowerCase()!=".gif")
     return false
 else 
	 return true
}
function JsRedirect(obj)
{
	window.location=obj;
}
function JsWindowsOpen(obj)
{
	window.open(obj,'_blank');

}
/**
* 层的显示或隐藏
*/
function DivShow(obj,str)
{
	if(str=="show")
		obj.style.display="";
	else
		obj.style.display="none";
}
/**
* 页面加载层隐藏
*/
function PageonLoadDiv(obj)
{
for(var i=1;i<obj;i++)
{
	var temp="Layer"+i
	var sinas=document.getElementById(temp);
	sinas.style.display="none";
} 
}
function getObject(idname) {
	if (document.getElementById){
		return document.getElementById(idname);
	}else if (document.all){
		return document.all[idname];
	}else if (document.layers){
		return document.layers[idname];
	}else{
		return null;
	}
}
function getTags(parentobj, tag)
{
	if (parentobj == null){
		return new Array();
	}else if (typeof parentobj.getElementsByTagName != 'undefined'){
		return parentobj.getElementsByTagName(tag);
	}else if (parentobj.all && parentobj.all.tags){
		return parentobj.all.tags(tag);
	}else{
		return new Array();
	}
}
function copyInBoard(s) { 			
	window.clipboardData.setData("text",s);
	alert("网址复制成功啦!");			
} 
function openPop(obj) {
    URL=obj.href;
    window.open(URL,'',"width=580, height=380,top=200,left=80,toolbar=yes,location=yes,directories=yes,status=yes,menubar=yes,scrollbars=yes,resizable=1,copyhistory=yes");
    return false;
}
function o (obj){
		return getObject(obj);
	}
function setHtml(id,str){
		if(this.o(id)){
			this.o(id).innerHTML=str;
		}
	}
function singleInquiryNow(objstate,objid)
{
	switch(objstate)
	{
		case 'chkSellIds':
			location.href="/message/SendMessage.aspx?action=chkSellIds&chkIds="+objid
			break;
		case 'chkProductsID':
			location.href="/message/SendMessage.aspx?action=chkProductsID&chkIds="+objid
			break;
		case 'chkCompanyID':
			location.href="/message/SendMessage.aspx?action=chkCompanyID&chkIds="+objid
			break;
		case 'chkBuyID':
			location.href="/message/SendMessage.aspx?action=chkBuyID&chkIds="+objid
			break;
		default: 
			return   "Agent";   
	}
}
function inquiryNow(objstate)
{
	var objid=getObject("meglist").value
	switch(objstate)
	{
		case 'chkSellIds':
			location.href="/message/contact.aspx?action=chkSellIds&chkIds="+objid
			break;
		case 'chkProductsID':
			location.href="/message/contact.aspx?action=chkProductsID&chkIds="+objid
			break;
		case 'chkCompanyID':
			location.href="/message/contact.aspx?action=chkCompanyID&chkIds="+objid
			break;
		case 'chkBuyID':
			location.href="/message/contact.aspx?action=chkBuyID&chkIds="+objid
			break;
		default: 
			return   "Agent";   
	}
}