function setFooterHeight(footerS) {
	   	var footer = document.getElementById(footerS);
		var difference = window.innerHeight - 60;	
		var isIE = /*@cc_on!@*/false;
		var styledata = 'top:'+difference+'px;';
		
	 	if(!isIE){
		footer.setAttribute('style', styledata);
		} else {
		footer.style.setAttribute('cssText', styledata);
		}
	
		
	}