window.onload=setBg;
	window.onresize=setBg;
	
	function setBg(){
		var top=0;
		var left=0;
		
		var imgElem = $("#imgtest"); 
		var ht1 = imgElem.height(); 
		var wdt1 = imgElem.width(); 
		var ratio1=ht1 / wdt1;

		var divElem = $("#divtest"); 
		var ht2 = divElem.height(); 
		var wdt2 = divElem.width(); 
		var ratio2=ht2 / wdt2;
		
		//alert('div w:'+ wdt2+' ht:'+ ht2);
		
		if (ratio1 > ratio2){
			var wdt = wdt2;
			var ht = wdt2/wdt1*ht1;
			top = Math.round(-0.5*(ht-ht2));
			//alert(top);
			//alert('breed');
		}else{
			var wdt = ht2/ht1*wdt1;
			var ht = ht2;
			left = Math.round(-0.5*(wdt-wdt2));
			//alert(left);
			//alert('smal');	
		}
		//alert('w:'+ wdt+' ht:'+ ht);
		$("#imgtest").css({'height' : ht, 'width' : wdt, 'top': top, 'left': left}); 
	}
		
//$('#recentwork').animate({"left": "-=50px"}, 5000);