var preLoadFlag = "false";

	function preLoadImg(URL){

		arrImgList = new Array (
			URL+"img/header/basis_on.jpg",URL+"img/header/product_on.jpg",URL+"img/header/customer_on.jpg",URL+"img/header/order_on.jpg",
			URL+"img/header/sales_on.jpg",URL+"img/header/mail_on.jpg",URL+"img/header/contents_on.jpg",
			URL+"img/header/mainpage_on.gif",URL+"img/header/sitecheck_on.gif",URL+"img/header/logout.gif",
			URL+"img/contents/btn_search_on.jpg",URL+"img/contents/btn_regist_on.jpg",
			URL+"img/contents/btn_csv_on.jpg",URL+"img/contents/arrow_left.jpg",URL+"img/contents/arrow_right.jpg"
		);
		arrPreLoad = new Array();
		for (i in arrImgList) {
			arrPreLoad[i] = new Image();
			arrPreLoad[i].src = arrImgList[i];
		}
		preLoadFlag = "true";
	}

	function chgImg(fileName,imgName){
		if (preLoadFlag == "true") {
			document.images[imgName].src = fileName;
		}
	}
	
	function chgImgImageSubmit(fileName,imgObj){
	imgObj.src = fileName;
	}
	
	// サブナビの表示切替
	function naviStyleChange(ids, bcColor, color){
		document.getElementById(ids).style.backgroundColor = bcColor;
	}	



///////////////////////////////////////////////////////////////////////////////////////////
//  ロールオーバースクリプト
//　Standards Compliant Rollover Script
//　Author : Daniel Nolan
//　http://www.bleedingego.co.uk/webdev.php

function initRollovers() {
	if (!document.getElementById) return
	
	var aPreLoad = new Array();
	var sTempSrc;
	var aImages = document.getElementsByTagName('img');

	for (var i = 0; i < aImages.length; i++) {		
		if (aImages[i].className == 'imgover') {
			var src = aImages[i].getAttribute('src');
			var ftype = src.substring(src.lastIndexOf('.'), src.length);
			var hsrc = src.replace(ftype, '_o'+ftype);

			aImages[i].setAttribute('hsrc', hsrc);
			
			aPreLoad[i] = new Image();
			aPreLoad[i].src = hsrc;
			
			aImages[i].onmouseover = function() {
				sTempSrc = this.getAttribute('src');
				this.setAttribute('src', this.getAttribute('hsrc'));
			}	
			
			aImages[i].onmouseout = function() {
				if (!sTempSrc) sTempSrc = this.getAttribute('src').replace('_o'+ftype, ftype);
				this.setAttribute('src', sTempSrc);
			}
		}
	}
}

///////////////////////////////////////////////////////////////////////////////////////////