var userAgent = window.navigator.userAgent;
var bVers = parseInt(userAgent.charAt(userAgent.indexOf("/")+1),10);


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];}}
	}


function MM_swapImage() { //v3.0
	var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
	if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
	}


function MM_swapImgRestore() { //v3.0
	var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
	}


function MM_findObj(n, d) { //v4.01
	var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
		d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
	if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
	for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
	if(!x && d.getElementById) x=d.getElementById(n); return x;
	}



function setFooter() {
	pageHeight = document.body.scrollHeight;
	if (pageHeight < 800) pageHeight = 800;
	footerY = (pageHeight - 30) + "px";
	msg = "pageHeight = " + pageHeight + "\r\n";
	msg += "footerY = " + footerY + "\r\n";
//	alert (msg);
	
	if (document.getElementById) {
		document.getElementById('footer').style.top = footerY;
	} else if (document.all) {
		document.all['rightStroke'].style.top = footerY;
	} else {
		top.location = '/requirements.html';
	}
}


var currentLayer = "pvGlue";
function showLayer(layerID) {
	// ----	hideThirdTeir function is generated in includes/menus.php
	if (currentLayer) { hideLayer(currentLayer); }
	currentLayer = layerID;
//	hideThirdTier();
	if (document.getElementById) {  // object detection for IE5 and NS6
		var layerObj=document.getElementById(layerID);
		layerObj.style.visibility = 'visible';
		}
	else if (document.all) {  // object detection for IE4
	    document.all[layerID].style.visibility = 'visible';
		}
	else {
		top.location = '/requirements.html';
		}
	}


function hideLayer(layerID) {
//	alert(currentLayer);
	if (document.getElementById) {  // object detection for IE5 and NS6
		var layerObj = document.getElementById(layerID);
		layerObj.style.visibility='hidden';
		}
	else if (document.all) {  // object detection for IE4
		document.all[layerID].style.visibility = 'hidden';
		}
	else {
		top.location = '/requirements.html';
		}
	}


var movPop;
function mov (file) {
	winHeight = 360;
	winWidth = 340;
	winX = 0;
	winY = 0;
	
	if ( file ) {
		winURL = "/riders/mov.php?file=" + file;
	} else {
		winURL = "/riders/mov.php";
	}
	
	winFeatures = "height=" +winHeight;
	winFeatures += ",width=" +winWidth;
	winFeatures += ",left=" +winX;
	winFeatures += ",top=" +winY;
	winFeatures += ",screenX=" +winX;
	winFeatures += ",screenY=" +winY;
	winFeatures += ",scrollbars=no";
	
	movPop = window.open (winURL,'movWin',winFeatures);
	setTimeout ('movPop.focus();',250);
}