//window.onload = setScreenClass; 
	window.onresize = setScreenClass;

	//  Following transition classes will be declared:
	//
	//	classname		  screenwidth
	//	------------------------------------------	
	//	screen_med		 < 1024px	
	//	screen_hi		 1024px >	
	
				
	function setScreenClass(){
		var cls	=	(document.documentElement.clientWidth >= 1024) ? "screen_hi" : "screen_med";
 		document.body.className = cls;
	}

	/*
	function setScreenClass(){
		var fmt = document.documentElement.clientWidth;
		var cls = (fmt>=1024)?'screen_hi':'screen_med';
		document.getElementById('count').innerHTML=fmt+'px -> '+cls;
		document.body.className=cls;
	};
	*/