// image rollover

var smartRollover = {
	
	main : function() {
		var img = document.images, ipt = document.getElementsByTagName('input'), i, preLoadImg = [];
		// img elements
		for (i = 0; i <img.length; i++) {
			if ((img[i].src.match(/.*_off\./))||(img[i].style.filter)){
				preLoadImg[preLoadImg.length] = new Image;
				preLoadImg[preLoadImg.length-1].src = img[i].src.replace('_off.', '_on.');

				img[i].onmouseover = smartRollover.over;
				img[i].onmouseout  = smartRollover.out;
				try {img[i].addEventListener('click', smartRollover.click, false);}
				catch(e){img[i].attachEvent('onclick', (function(el){return function(){smartRollover.click.call(el);};})(img[i]));}
			}
		}
		// input[image] elements
		for (i = 0; i <ipt.length; i++) {
			if ((ipt[i].src.match(/.*_off\./))&&(ipt[i].getAttribute('type')=='image')){
				preLoadImg[preLoadImg.length] = new Image;
				preLoadImg[preLoadImg.length-1].src = ipt[i].src.replace('_off.', '_on.');

				ipt[i].onmouseover = smartRollover.over;
				ipt[i].onmouseout  = smartRollover.out;
				try {ipt[i].addEventListener('click', smartRollover.click, false);}
				catch(e){ipt[i].attachEvent('onclick', (function(el){return function(){smartRollover.click.call(el);};})(ipt[i]));}
			}
		}
	}
	,
	
	over : function() {
		var imgSrc, preLoadImgSrc;
		if((this.style.filter)&&(this.style.filter.match(/_off\.png/)))//(IE5.5-6 && png)
			this.style.filter = this.style.filter.replace('_off.png', '_on.png');
		else
			this.src = this.src.replace('_off.', '_on.');
	},

	out : function(){
		if((this.style.filter)&&(this.style.filter.match(/_on\.png/)))//(IE5.5-6 && png)
			this.style.filter = this.style.filter.replace('_on.png', '_off.png');
		else
			this.src = this.src.replace('_on.', '_off.');
	},
	
	click : function(){
		if((this.style.filter)&&(this.style.filter.match(/_on\.png/)))//(IE5.5-6 && png)
			this.style.filter = this.style.filter.replace('_on.png', '_off.png');
		else
			this.src = this.src.replace('_on.', '_off.');
	},

	addEvent : function(){
		try {
			window.addEventListener('load', this.main, false);
		} catch (e) {
			window.attachEvent('onload', this.main);
		}
	}
}

smartRollover.addEvent();

// preload image

Images = new Array();

Images[0]= "/common/images/h_btn_large_off.gif";
Images[1]= "/common/images/h_btn_large_on.gif";
Images[2]= "/common/images/h_btn_middle_off.gif";
Images[3]= "/common/images/h_btn_middle_on.gif";
Images[4]= "/common/images/h_btn_small_off.gif";
Images[5]= "/common/images/h_btn_small_on.gif";
Images[6]= "/common/images/bg_boder_blue.gif";
Images[7]= "/common/images/h_bg_gnavi.gif";

function PreloadImg(){
	for(i=0; i<Images.length; i++){
		ImageName = "Image"+ i;
		var ImageName = new Image();
		ImageName.src = Images[i];
	}
}

// dreamweaver behavior

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}
function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}

//DisplayShowHide

function display_sw(obj) {
if(document.getElementById(obj).style.display == 'none')
	document.getElementById(obj).style.display = '';
else
	document.getElementById(obj).style.display = 'none';
}

function display(obj) {
document.getElementById(obj).style.display = '';
}

function display_none(obj) {
document.getElementById(obj).style.display = 'none';
}