function setLayer(layerID)
{
	var myArray = new Array(9);
	myArray[0] = "home";
	myArray[1] = "zhangpeng";
	myArray[2] = "beibao";
	myArray[3] = "shuidai";
	myArray[4] = "dianzi";
	myArray[5] = "xie";
	myArray[6] = "shangyi";
	myArray[7] = "kuzi";
	myArray[8] = "toudeng";

	for (var i = 0; i <myArray.length; i++)
	{
		
			if (myArray[i] == layerID)
			{				
				document.getElementById(myArray[i]).className = "cur";	
			}
			else
			{
				document.getElementById(myArray[i]).className = "";	
			}

	}
	
}