/*
	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 = aImages[i].onmouseup = function() {
				if (!sTempSrc) sTempSrc = this.getAttribute('src').replace('_o'+ftype, ftype);
				this.setAttribute('src', sTempSrc);
			}
		}
	}
}


function currentPage() {
    num = undefined;
    var URL = location.href;
    if (URL.indexOf("/facilities/") > -1) {
        num = 0;
    }
    else if (URL.indexOf("/access/") > -1) {
        num = 2;
    }
    else if (URL.indexOf("/event/") > -1) {
        num = 3;
    }
    else if (URL.indexOf("/floormap/") > -1) {
        num = 4;
    }
    else if (URL.indexOf("/tourism/") > -1) {
        num = 5;
    }
    else if (URL.indexOf("/inquiry/") > -1) {
        num = 6;
    }
				else if (URL.indexOf("/kinenbi/") > -1) {
        num = 7;
    }
				else if (URL.indexOf("/link/") > -1) {
        num = 8;
    }
    else {
        num = -1;
    }
				return num;
}


$(document).ready(function () {
    initRollovers();
    var currentNum = currentPage();
				if(currentNum >= 0) {
						$("#header .txtlink a:eq(" + currentNum + ")").addClass("sub-link");
				}
});