var setBg = function(){
	var divAll = document.getElementById('divAll');
	var topBlock = document.getElementById('topBlock');
	var link1 = document.getElementById('link1');
	var link2 = document.getElementById('link2');
	var link3 = document.getElementById('link3');
	var link4 = document.getElementById('link4');
	var link5 = document.getElementById('link5');
	if (document.body.clientWidth > 1008){
		divAll.className="div1200";
		topBlock.className = "main1200";
		link1.className = "link1_1200";
		link2.className = "link2_1200";
		link3.className = "link3_1200";
		link4.className = "link4_1200";
		link5.className = "link5_1200";
	}else{
		divAll.className="div1000";
		topBlock.className = "main1000";
		link1.className = "link1_1000";
		link2.className = "link2_1000";
		link3.className = "link3_1000";
		link4.className = "link4_1000";
		link5.className = "link5_1000";
	}
}
window.onload = setBg;
window.onresize = setBg;