function imgRollOverSet(type){
	if(!type) type = '_on';
	var roClass = 'off';
	
	var imgs = document.getElementsByTagName('img');
	var tarImgs = new Array();
	for(i=0; i<imgs.length; i++){
		if(imgs.item(i).className.indexOf(roClass) != -1){
			tarImgs.push(imgs.item(i));
		}
	}
	
	for(i=0; i<tarImgs.length; i++){
		tarImgs[i].onmouseover = function(){ imgRollOver(this, type) }
		tarImgs[i].onmouseout = function(){ imgRollOver(this, type) }
	}
}

function imgRollOver(o, type){
		var reg = new RegExp('^(file:|http:)(.+?)(' + type + '){0,1}(\.gif|\.jpg|\.jpeg|\.png)');
		xx = o.src.match(reg);
		if(RegExp.$3 == type){
			o.src = RegExp.$1 + RegExp.$2 + RegExp.$4;
		} else {
			o.src = RegExp.$1 + RegExp.$2 + type + RegExp.$4;
		}
}



function backToTop() { 
var x1 = x2 = x3 = 0; 
var y1 = y2 = y3 = 0; 
if (document.documentElement) { 
x1 = document.documentElement.scrollLeft || 0; 
y1 = document.documentElement.scrollTop || 0; 
} 
if (document.body) { 
x2 = document.body.scrollLeft || 0; 
y2 = document.body.scrollTop || 0; 
} 
x3 = window.scrollX || 0; 
y3 = window.scrollY || 0; 
var x = Math.max(x1, Math.max(x2, x3)); 
var y = Math.max(y1, Math.max(y2, y3)); 
window.scrollTo(Math.floor(x / 2), Math.floor(y / 2)); 
if (x > 0 || y > 0) { 
window.setTimeout("backToTop()", 50); 
} 
}


function uaCheck(test) {
	if (navigator.userAgent.indexOf('iPhone') > 0) {
		output = document.getElementById("ipad_top").innerHTML;
	} else if (navigator.userAgent.indexOf('iPad') > 0) {
		output = document.getElementById("ipad_top").innerHTML;
	} else{
		output = document.getElementById("other_top").innerHTML;
	}
	document.write(output);
}
function uaCheck2() {
	if (navigator.userAgent.indexOf('iPhone') > 0) {
		output = document.getElementById("ipad_meishi").innerHTML;
	} else if (navigator.userAgent.indexOf('iPad') > 0) {
		output = document.getElementById("ipad_meishi").innerHTML;
	} else{
		output = document.getElementById("other_meishi").innerHTML;
	}
	document.write(output);
}
function uaCheck3() {
	if (navigator.userAgent.indexOf('iPhone') > 0) {
		output = document.getElementById("ipad_side").innerHTML;
	} else if (navigator.userAgent.indexOf('iPad') > 0) {
		output = document.getElementById("ipad_side").innerHTML;
	} else{
		output = document.getElementById("other_side").innerHTML;
	}
	document.write(output);
}