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function initNavigations(){
	if (!document.getElementById) return
	var nvPreLoad = new Array();
	var sTempSrc;
	var nvImages = document.getElementsByTagName('img');
	var bodyId = document.body.id;
	var bodyClass = document.body.className;
	var stayIdNum;
	var stayNum;
	switch(bodyClass){
		case "general":
			stayNum = 1;
		break;
		case "business":
			stayNum = 2;
		break;
		case "corporate":
			stayNum = 3;
		break;
		case "employment":
			stayNum = 4;
		break;
		case "search":
			stayNum = 5;
		break;
	}
	switch(bodyId){
		//general ids
		case "post":
			stayIdNum = "01_01";
		break;
		case "bank":
			stayIdNum = "01_02";
		break;
		case "insurance":
			stayIdNum = "01_03";
		break;
		case "life":
			stayIdNum = "01_04";
		break;
		case "amusement":
			stayIdNum = "01_05";
		break;
		//business ids
		case "advertisement":
			stayIdNum = "02_01";
		break;
		case "expense":
			stayIdNum = "02_02";
		break;
		case "efficiency":
			stayIdNum = "02_03";
		break;
		//corporate ids
		case "notification":
			stayIdNum = "03_01";
		break;
		case "corporateabout":
			stayIdNum = "03_02";
		break;
		case "csr":
			stayIdNum = "03_03";
		break;
		case "financial":
			stayIdNum = "03_04";
		break;
		case "procurement":
			stayIdNum = "03_05";
		break;
		case "owner":
			stayIdNum = "03_06";
		break;
		case "newgraduate":
			stayIdNum = "04_01";
		break;
		case "career":
			stayIdNum = "04_02";
		break;
		case "parttime":
			stayIdNum = "04_03";
		break;
		case "contract":
			stayIdNum = "04_04";
		break;
		//
	}
	var gNaviStaySrc = "share_gnavi_0" + stayNum + ".gif";
	var gSubNaviStaySrc = "share_gsubnavi" + stayIdNum + ".gif";
	for (var i = 0; i < nvImages.length; i++) {	
			if (nvImages[i].className == 'gnaviover' || nvImages[i].className == 'gsnaviover'){
				var src = nvImages[i].getAttribute('src');
				var ftype = src.substring(src.lastIndexOf('.'), src.length);
				srcStr = src.substring(src.lastIndexOf('/') + 1, src.length);
				if(srcStr == gNaviStaySrc) {
					var hsrc = src.replace(ftype, '_s' + ftype);
					nvImages[i].setAttribute('hsrc', hsrc);
					nvImages[i].setAttribute('src', nvImages[i].getAttribute('hsrc'));
				} else if(srcStr == gSubNaviStaySrc){
					var hsrc = src.replace(ftype, '_o' + ftype);
					nvImages[i].setAttribute('hsrc', hsrc);
					nvImages[i].setAttribute('src', nvImages[i].getAttribute('hsrc'));	
				} else {
					var hsrc = src.replace(ftype, '_o' + ftype);
					nvImages[i].setAttribute('hsrc', hsrc);
					nvPreLoad[i] = new Image();
					nvPreLoad[i].src = hsrc;
					nvImages[i].onmouseover = function() {
						sTempSrc = this.getAttribute('src');
						this.setAttribute('src', this.getAttribute('hsrc'));
					}
					nvImages[i].onmouseout = function() {
						if (!sTempSrc) sTempSrc = this.getAttribute('src').replace('_o' + ftype, ftype);
						this.setAttribute('src', sTempSrc);				
					}
				}
			}
	}
}
/*------------------------------------------------------------------------------------

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try {
	window.addEventListener('load',initNavigations , false);
} catch(e){
	window.attachEvent('onload',initNavigations);
}