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(bodyId){
		//corporate ids
		case "home":
			stayNum = "0";
		break;
		case "fund":
			stayNum = "1";
		break;
		case "column":
			stayNum = "2";
		break;
		case "market":
			stayNum = "3";
		break;
		case "guide":
			stayNum = "4";
		break;
		case "company":
			stayNum = "5";
		break;
		//
	}

	var gNaviStaySrc = "gnavi_0" + stayNum + ".gif";
	for (var i = 0; i < nvImages.length; i++) {	
			
			if (nvImages[i].className == 'gnaviover'){
				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 {
					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);
					}
				}
			}
	}
}
try {
	window.addEventListener('load',initNavigations , false);
} catch(e){
	window.attachEvent('onload',initNavigations);
}