var homenav=new Array('about','products','clients','service','news','contactus');
var homenavon = "";
	
	//homenav
	if (document.images) {
	 for (i=0;i<homenav.length;i++)    {
	   eval(homenav[i]+"off = new Image();")
	   eval(homenav[i]+"off.src = '/images/home/n_"+homenav[i]+"_off.gif';")
	   eval(homenav[i]+"on = new Image();")
	   eval(homenav[i]+"on.src = '/images/home/n_"+homenav[i]+"_on.gif';")
	 }
	}
	
	function imgOn(imgName) {
	  if (document.images) {
			document[imgName].src = eval(imgName + "on.src");
		}
	}
	
	function imgOff(imgName) {
	  if (document.images) {
			document[imgName].src = eval(imgName + "off.src");
		}
	}