window.onload = setScreenClass;
	window.onresize = setScreenClass;
	function setScreenClass(){
		var fmt = document.documentElement.clientWidth;
		var cls = (fmt<=965)?'screen_lo':(fmt>=966&&fmt<1100)?'screen_med':(fmt>=1100&&fmt<1200)?'screen_high':'screen_wide';
    //document.getElementById('count').innerHTML=fmt+'px -> '+cls;
    document.getElementById('contentLeft').className = cls;
    document.getElementById('contentRight').className = cls;
	};