// dynamic resolution
// thanks to switchy mclayout: http://www.alistapart.com/articles/switchymclayout

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

	//  Following transition classes will be declared:
	//
	//	classname			screenwidth
	//	-------------------------------------------------------------
	//	screen_low		640px -  800px, 800px - 1024px, 1024px - 1280px	
	//	screen_wide		> 1280px			

	function setScreenClass(){
		var screenRes = document.documentElement.clientWidth;
		var cls = (screenRes<=800)?'screen_low':(screenRes>800&&screenRes<=1024)?'screen_low':(screenRes>1024&&screenRes<=1280)?'screen_low':'screen_wide';
		document.body.className=cls;
	};