function Search() 
	{ 
	var key= document.getElementById("myinput").value;
	if(key==""||key=="请输入关键字")
		{
			alert('请输入关键字!');
			return false;
		}
		key=key.replace(/\"/g," ");
		var patrn=/化妆品申报/;
		var patrn1=/3158/;
		if(patrn.test(key))
		{
			window.open("http://www.c2cc.cn/items/maidike");
		}
		else if(patrn1.test(key))
		{
			window.open("http://zs.c2cc.cn/");
		}
		else
		{
				window.open("/tag/list.aspx?keywords="+escape(key)+"");
		}
	}