//xx zdwx.com
var curl = document.location.href;
		curl = curl.substring(0,curl.lastIndexOf("/")+1);
		var str = new Array();
		str[0]="index";
		str[1]="aboutus";str[2]="product";str[3]="service";str[4]="news";str[5]="design";str[6]="contact";
		var j = 0;
		try {
			for (var i =0;i<str.length;i++)
			{
				if (curl.indexOf(str[i])>-1)
				{
					document.getElementById(str[i]).className = "current";
					j++;
				}
			}
		} 
		catch (e)
		{		 
		} 
		if(j==0)document.getElementById(str[0]).className = "current";