var defaultKey = "请输入产品型号……";
var searchHost = "http://www.colorful.cn/";
var searchPage = "SearchDriver.aspx?p=3";

function CheckDefault(id)
{
	var key = document.getElementById(id);
	if (key.value == defaultKey)
	{
		key.value = '';
	}
}

function SetDefault(id)
{
	var key = document.getElementById(id);
	if (key.value == '')
	{
		key.value = defaultKey;
	}
	
}

function Search(keyId, linkId)
{
	var link = document.getElementById(linkId);
	var key = document.getElementById(keyId);
	var url = searchHost + searchPage;
	if(key.value != defaultKey)
	{
		url += "&key=" + escape(key.value);
	}
	
	if(link.click)
	{
		link.href = url;
		link.click();
	}
	else
	{
		document.location.href = url;
	}
}