function clickinput(n)
	{ 
		var serach = document.getElementById("serach");
		if (n == 0 && serach.value == "search"){serach.value="";serach.style.cssText = "margin-top :2px; display :inline;"}
		if (n == 1 && serach.value == ""){serach.value = "search";serach.style.cssText = "margin-top :2px; display :inline;"}
	}
function trim_(value_){
	var re=/\s+/gi;
	return value_.replace(re,"");
}
//搜索
function sitesearch(content)
{					
	window.open("/SiteManage/Page/sitesearch.aspx?searchcontent="+escape(document.getElementById("serach").value));	
	document.getElementById("serach").value = '';
}
function CheckLogin()
{
	if(trim_(document.getElementById("serach").value)=='' || document.getElementById("serach").value =='search')
	{
		alert("请输入你要搜索的内容！");
		
	}
	else
	{
		 sitesearch(document.getElementById("serach").value);
	}
}
function Enter()
{
	if(event.keyCode == 13)
		{
			CheckLogin();
			clickinput(1);
		}
}