function sniffer() {
	var screen_height = document.body.clientHeight;
	var screen_width = document.body.clientWidth;
	var hcenter = 200;
	var wcenter = 747 - screen_width/2;
	subWhat = document.getElementById("whatiscfSubmenu");
	subRes = document.getElementById("researchSubmenu");
	//menu = document.getElementById("headerContent");
 
	var x = wcenter;
 
	if(screen_width < 1495){
		window.scrollTo(wcenter,0);
	
		  subWhat.style.left = 1494/2 - 842/2 +210 +212+ "px";
		 subRes.style.left = 1494/2 + "px";
		 //change('bigg','one');
	}else {
		
		
		subWhat.style.left = "50%";
		subWhat.style.marginLeft="-212px";
		
		subRes.style.left = "50%";
		subRes.style.marginLeft="+20px";
		//change('bigg','two');
	}
	
}

function change(id,className) {
	document.getElementById(id).className=className;
}