/*
	Standards Compliant Rollover Script
*/

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);
			}
		}
	}
}

function mapRollovers() {
	if (!document.getElementById) return
	
	var aPreLoad = new Array();
	var aImages = document.getElementsByTagName('area');

	for (var i = 0; i < aImages.length; i++) {
	    var check = aImages[i].className ;
		var _bin = check.split("_") ;
		var pre_name = _bin[0] ;
		var num = _bin[1] ;
		var click = _bin[2] ;
		if (pre_name == 'area') {
		    var src = 'mainmap01.gif' ;
			aPreLoad[i] = new Image() ;
			aPreLoad[i].src = 'img/' + 'mainmap' + num + '.gif';
			aImages[i].setAttribute( 'name', check ) ;

			aImages[i].onmouseover = function() {
				var _bin = this.getAttribute('name').split("_") ;
				MM_swapImage('image1','', '/img/' + 'mainmap' + _bin[1] + '.gif' ,1) ;
			}
			
			aImages[i].onmouseout = function() {
				MM_swapImgRestore() ;
			}
			
			aImages[i].onclick = function() {
				var _bin = this.getAttribute('name').split("_") ;
				changePref( _bin[2] ) ;
			}
		}
	}
}