function gotoiframe(url){
window.open (url, "newwindow", "height=400, width=850, toolbar=no, menubar=no, scrollbars=yes, resizable=yes, location=no, status=no");

}


function SetCookie(sName, sValue) 
{  
	document.cookie = sName + "=" + escape(sValue) + "; "; 
} 

//这个方法好像不行.有待测试
function GetCookie(sName) 
{  
	var aCookie = document.cookie.split(";"); 
	for (var i=0; i < aCookie.length; i++)  
	{      
		var aCrumb = aCookie[i].split("=");   
		if (sName == aCrumb[0])    
			return unescape(aCrumb[1]);  
	}   
} 

function GetCookie2(cookieName) {
	var cookieString = document.cookie;
	var start = cookieString.indexOf(cookieName + '=');
	// 加上等号的原因是避免在某些 Cookie 的值里有
	// 与 cookieName 一样的字符串。
	if (start == -1) // 找不到
	return null;
	start += cookieName.length + 1;
	var end = cookieString.indexOf(';', start);
	if (end == -1) return unescape(cookieString.substring(start));
	return unescape(cookieString.substring(start, end));
}



function DelCookie(sName) 
{ 
	document.cookie = sName + "=" + escape(sValue) + "; expires=Fri, 31 Dec 1999 23:59:59 GMT;"; 
}