function screenonly(){
		  var mediaInspector = document.getElementById('mediaInspector');
		  if (mediaInspector.currentStyle) {
			zIndex = mediaInspector.currentStyle['zIndex'];
		  } else if (window.getComputedStyle) {
			zIndex = window.getComputedStyle(mediaInspector, '').getPropertyValue("z-index");
		  }
		  		  	
		  switch (parseInt(zIndex)) {
			case 1:
			  // @media aural code
			  break;
			case 2:
			  // @media braille code
			  break; 
			case 3:
			  // @media embossed code
			  break;
			case 4:
			  // @media handheld code
			  break;
			case 5:
			  // @media print code
			  getHeight2(); // not sure if this is doing anything
			  break;
			case 6:
			  // @media projection code
			  break;
			case 7:
			  getHeight();
			  break;
			case 8:
			  // @media tty code
			  break;
			case 9:
			  // @media tv code
			  break;
			default:
			  getHeight();
			  break;
		  }
		}
		
		var d = document;
		function getHeight(){
			var box = new Array("userassets","maincontent","navBar"); //list of DIV ids
			for(x=0;x<box.length;x++){ //determine the tallest div
			h = d.getElementById(box[x]).offsetHeight;
				for(y=0;y<box.length;y++){
				test_h = d.getElementById(box[y]).offsetHeight;
				if(h<test_h) h = test_h;
				}  
		}
		for(x=0;x<box.length;x++) d.getElementById(box[x]).style.height = h +"px"; //set the height of all divs to the tallest
			d.getElementById("bottomdweller").style.height = d.getElementById("bottomdweller").offsetHeight + 114 + h +"px"; 		
		}
		function getHeight2(){
			d.getElementById("bottomdweller").style.height= 0 + "px";
			d.getElementById("navBar").style.height= 0 + "px";
			d.getElementById("userassets").style.height= 0 + "px";
		}