var isValidBrowser =document.getElementById;
 
    
function highlight(obj,on){
		 if(!isValidBrowser){return(false);}
        var color=(on==true)?"#1b528c":"#2494e6"
			if(obj){
				if(obj.getAttribute("class")=="itembox" || obj.getAttribute("className")=="itembox"){
           			 obj.style.backgroundColor=color;
				}
			}
}