String.prototype.LTrim = function(){return LTrim(this);} 
function LTrim(str) { 
	var i; 
	for(i=0;i<str.length;i++) { 
		if(str.charAt(i)!=" "&&str.charAt(i)!=" ")break; 
	} 
	str=str.substring(i,str.length); 
	return str; 
}
function doGougouSearch() {
	var s_key = document.getElementById("gougou_keywords").value;
	s_key = s_key.LTrim();
	if (s_key ==""){
		alert("请输入搜索关键字!") ;
		document.getElementById("gougou_keywords").value = "" ;
		document.getElementById("gougou_keywords").focus();
		return false ;
	}
	s_key = encodeURIComponent(s_key);
	var url = "http://www.gougou.com/search?search="+s_key+"&id=2" ;
	var d = new Date();
	var windowName = parseInt(d.getHours().toString() + d.getMinutes().toString() + d.getSeconds().toString()/3);
	img = new Image();
	img.src = "http://tracker.movie.xunlei.com/set_movie_stat.php?t=3&id=54&c=pageview&cache="+(Math.floor(Math.random()*999999)+1);
	window.open(url,"so_" + windowName); 
}