function supports(prop) {  
       var div = document.createElement('div');
       var vendors = 'Khtml Ms O Moz Webkit'.split(' ');
       var len = vendors.length;  
      
	if ( prop in div.style ) {
		return true;  
	}

	prop = prop.charAt(0).toUpperCase() + prop.slice(1);

	for (i = 0; i < len; i++) {  
		 if ( (vendors[i] + prop) in div.style ) {  
				return true;
		 }
	}  
		
	return false;  
    }  
      
// check if greater than IE 6, but does not support backgroundSize
    if ( (typeof document.body.style.maxHeight != "undefined") && ! supports('backgroundSize') ) {
			document.getElementById('bg').style.background = "none";
			iebg = document.createElement('img');
			iebg.src="/images/background.jpg";
			iebg.id="iebg";
			document.getElementById('iebgc').appendChild(iebg);
			
		}