function layoutSwitcher(wrapperClass, threshold) {

	var wrapper = $("."+wrapperClass)
	
	$(window).bind('resize', function() { checkWidth() } );

	checkWidth()
	
	function checkWidth(){

		var bodyWidth = $("body").width();
		
		if (bodyWidth>threshold) {
			if (!wrapper.is(".grid")) {
				wrapper.addClass("grid")
			}
		} else {
			wrapper.removeClass("grid")
		}

	}
 
}


$(document).ready(function(){
	layoutSwitcher("switchlayout", 900);
	layoutSwitcher("switchlayout-rss", 940);
	layoutSwitcher("switchlayout-business", 755);
});