var windowWidth=screen.availWidth/2+"px";
  	var windowHeight=screen.availHeight/4*3+"px";
	
	function resolution() 
	{
		var sr=document.getElementById("divRes");
		var tb=document.getElementById("topbar");
		var nb=document.getElementById("navbar");
		var ms=document.getElementById("midSection");
		var bs=document.getElementById("bottomSection")
		
		if(screen.width<=800)
		{
			sr.style.width="1000px";
			sr.style.height=windowHeight;
			
			tb.style.width="1000px";
			nb.style.width="1000px";
			ms.style.width="1000px";
			bs.style.width="1000px";
			
			
		}else{

			sr.style.width=windowWidth;
			sr.style.height=windowHeight;
			
			tb.style.width=screen.width-18+"px";
			nb.style.width=screen.width-18+"px";
			ms.style.width=screen.width-25+"px";
			bs.style.width=screen.width-25+"px";
		
		}

	}