function initScrollLayer() {
  var wndo = new dw_scrollObj('wn', 'lyr1', null);
  dw_scrollObj.GeckoTableBugFix('wn'); 
}
function swapImage(selector, obj) {
	if (selector == "on") {
		document.getElementById(obj).src='images/'+obj.substr(0, obj.lastIndexOf("_"))+'_on'+obj.substr(obj.lastIndexOf("_"))+'.gif';
	} else {
		document.getElementById(obj).src='images/'+obj+'.gif';
	}
}
function show_coach(obj) {
	for (var i=1; i<=4; i++) {
		document.getElementById('coach_0'+i).style.display = 'none';
	}
	document.getElementById('coach_0'+obj).style.display = 'block';
}
function MM_preloadImages() { //v3.0
	var d=document;
	if(d.images) {
		if(!d.MM_p) d.MM_p=new Array();
		var i,j=d.MM_p.length,a=MM_preloadImages.arguments;
		for(i=0; i<a.length; i++) {
			if (a[i].indexOf("#")!=0) {
				d.MM_p[j]=new Image;
				d.MM_p[j++].src=a[i];
			}
		}
	}
}