function openWin(url, name, w, h, perc, scroll, resize) {
	var winX = (screen.availWidth - w)*perc*.01;
	var winY = (screen.availHeight - h)*perc*.01;
	popupWin = window.open(url, name,'width=' + w + ',height=' + h + ',left=' + winX + ',top=' + winY + ',scrollbars=' + scroll + ',resizable=' + resize);
}

function isAlphaNumeric(p_strText)
{
	var checkOK = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789 -_";

	for (i = 0;  i < p_strText.length;  i++)
	{
		if (checkOK.indexOf(p_strText.charAt(i)) == -1) return false;
	}
		return (true);
}

function IsValidEmail(p_strEmail)
{
	var regexp = /^\S+\@[a-zA-Z0-9\.-]+\.[a-zA-Z0-9]{2,4}$/;
	return regexp.test(p_strEmail);
}

function lockButtons (whichform) {
	//alert ('hi');
	ua = new String(navigator.userAgent);
	if (ua.match(/IE/g)) {
		for (i=1; i<whichform.elements.length; i++) {
			if ((whichform.elements[i].type == 'submit') || (whichform.elements[i].type == 'button')) {
				whichform.elements[i].disabled = true;
			}
		}
	}
	// whichform.submit();
	// use this function for onsubmit, not onclick, k?
}

var W3CDOM = (document.createElement && document.getElementsByTagName);

var mouseOvers = new Array();
var mouseOuts = new Array();

window.onload = init;

function init()
{
	if (!W3CDOM) return;

	var imgs = document.getElementsByTagName('img');
	var img_cnt = imgs.length;
	for (var i=0;i<imgs.length;i++)
	{
		if(imgs[i].id.indexOf('mouseover') != -1) {
		imgs[i].onmouseover = mouseGoesOver;
		imgs[i].onmouseout = mouseGoesOut;
		var suffix = imgs[i].src.substring(imgs[i].src.lastIndexOf('.'));
		mouseOuts[i] = new Image();
		mouseOuts[i].src = imgs[i].src;
		mouseOvers[i] = new Image();
		mouseOvers[i].src = imgs[i].src.substring(0,imgs[i].src.lastIndexOf('.')) + "_over" + suffix;
		imgs[i].number = i;
		}
	}

	var imgs = document.getElementsByTagName('input');
	for (var i=0;i<imgs.length;i++)
	{
		if(imgs[i].id.indexOf('mouseover') != -1) {
		imgs[i].onmouseover = mouseGoesOver;
		imgs[i].onmouseout = mouseGoesOut;
		var suffix = imgs[i].src.substring(imgs[i].src.lastIndexOf('.'));
		mouseOuts[i + img_cnt] = new Image();
		mouseOuts[i + img_cnt].src = imgs[i].src;
		mouseOvers[i + img_cnt] = new Image();
		mouseOvers[i + img_cnt].src = imgs[i].src.substring(0,imgs[i].src.lastIndexOf('.')) + "_over" + suffix;
		imgs[i].number = i + img_cnt;
		}
	}

}

function mouseGoesOver()
{
	this.src = mouseOvers[this.number].src;
}

function mouseGoesOut()
{
	this.src = mouseOuts[this.number].src;
}


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_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_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 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];}
}