<!--
//背景画像用//
function screenBack(dir) {
	
	if(dir == 0) {
		var currentDir = "";
	} else if(dir == 1) {
		var currentDir = "../";
	} else if(dir == 2) {
		var currentDir = "../../";
	} else if(dir == 3) {
		var currentDir = "../../../";
	} else if(dir == 4) {
		var currentDir = "../../../../";
	} else {
		var currentDir = "../../../../../";
	}
	
	//モニタ判別
	var monita_w = screen.availWidth;//モニタ表示可能領域  ブラウザサイズ(ieのみ):document.body.clientWidth  モニタサイズ:screen.width
	var monita_h = screen.availHeight;//モニタ表示可能領域  ブラウザサイズ(ieのみ):document.body.clientHeight  モニタサイズ:screen.height
	
	if(monita_w < 1100){
		document.write('<link rel="stylesheet" type="text/css" href="'+currentDir+'common/back1.css" />');
	} else if(monita_w < 1300) {
		document.write('<link rel="stylesheet" type="text/css" href="'+currentDir+'common/back2.css" />');
	} else if(monita_w < 1500) {
		document.write('<link rel="stylesheet" type="text/css" href="'+currentDir+'common/back3.css" />');
	} else if(monita_w < 1700) {
		document.write('<link rel="stylesheet" type="text/css" href="'+currentDir+'common/back4.css" />');
	} else {
		document.write('<link rel="stylesheet" type="text/css" href="'+currentDir+'common/back5.css" />');
	}
}


//-->

