function searchKey()
        {
        	try
        	{
	           
	            var key = document.getElementById("tbKey");
	            if(key.value == "")
	            {
	                alert("请输入要搜索的关键字");
	                key.focus();
	            }
	            else if(key.value.indexOf("\"") != -1 || key.value.indexOf(".") != -1 || key.value.indexOf("*") != -1 || key.value.indexOf("%") != -1 || key.value.indexOf("=") != -1  || key.value.indexOf(":") != -1   || key.value.indexOf("#") != -1|| key.value.indexOf("&") != -1 || key.value.indexOf("^") != -1|| key.value.indexOf("'") != -1|| key.value.indexOf("-") != -1|| key.value.indexOf("+") != -1|| key.value.indexOf(";") != -1|| key.value.indexOf("(") != -1|| key.value.indexOf(")") != -1)
	            {
	            	alert("请不要在关键字中包含特殊字符");
	                key.focus();
	            }
	            else
	            {
	                top.location = "search.aspx?key=" + escape(key.value.replace("    ", "").replace("   ", "").replace("  ", "").replace(" ", ""));
	            }
	            return false;
	            
	        }
	        catch(e){}
        }
        
          function checkKey()
        {
        	try
        	{
	            if(document.getElementById("tbKey").value != "请输入关键字")
	            {
	                document.getElementById("tbKey").style.color="#333";
	            }
	            else
	            {
	                document.getElementById("tbKey").style.color="#CCC";
	            
	            }
	            
           }
	        catch(e){}
        }