/* Roll Over Images Script
---------------------------------------------------- */
function addEvent(elm, evType, func, useCapture) {
	if (elm.addEventListener) {
		elm.addEventListener(evType, func, useCapture);
		return true;
	} else if (elm.attachEvent) {
		var r = elm.attachEvent('on' + evType, func);
		return r;
	} else {
		elm['on' + evType] = func;
	}
}

function initRollovers() {
	if (!document.getElementById) return;
	
	var overPath = "_on";
	
	if(document.getElementById("grandTop")){
		document.getElementById("home_navi").src = "/ff_mitsuko/img/btn_gnavi01_on.jpg";
		$("#home_navi").removeClass("imgover");
		overPath = "_on";
	}
	
	if(document.getElementById("act1")){
		document.getElementById("act1_navi").src = "/ff_mitsuko/img/btn_gnavi02_on.jpg";
		$("#act1_navi").removeClass("imgover");
		overPath = "_on";
	}
	
	if(document.getElementById("act2")){
		document.getElementById("act2_navi").src = "/ff_mitsuko/img/btn_gnavi03_on.jpg";
		$("#act2_navi").removeClass("imgover");
		overPath = "_on";
	}
	
	if(document.getElementById("cast")){
		document.getElementById("cast_navi").src = "/ff_mitsuko/img/btn_gnavi04_on.jpg";
		$("#cast_navi").removeClass("imgover");
		overPath = "_on";
	}
	
	if(document.getElementById("ticket")){
		document.getElementById("ticket_navi").src = "/ff_mitsuko/img/btn_gnavi05_on.jpg";
		$("#ticket_navi").removeClass("imgover");
		overPath = "_on";
	}
	
	if(document.getElementById("schedule")){
		document.getElementById("schedule_navi").src = "/ff_mitsuko/img/btn_gnavi06_on.jpg";
		$("#schedule_navi").removeClass("imgover");
		overPath = "_on";
	}
	
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, overPath+ftype);
			//hsrc = 'over' + hsrc;

			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(overPath+ftype, ftype);
				this.setAttribute('src', sTempSrc);
			}
		}
	}
}

addEvent(window, 'load', initRollovers, false);