[Deff]

var docWidth = window.screen.width;
	alert(docWidth);
	var sizeDisplay = new Array(1024,1152,1366,1440,1680,1920,2560);
	var countSize = sizeDisplay.length;	
	for(i=0; i<=countSize; i++){
		if(docWidth==sizeDisplay[i]) break;
		$('.tttt').html(i);
		
	}