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) {
	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?
}

function validateUploadForm(frm) {
	//return true;
	
	if (frm.NAME.value == '') { alert('Please enter your name.'); frm.NAME.focus(); return false; }
	if (!isValidEmail(frm.EMAIL.value)) { alert('Please enter your valid e-mail address.'); frm.EMAIL.focus(); return false; }
	if (frm.PHONE.value == '') { alert('Please enter your phone number.'); frm.PHONE.focus(); return false; }

	if (confirm('Are you sure you want to submit this form?')) {
		// lock buttons.
		frm.submit_btn.disabled = true;
		return true;
	} else {
		return false;
	}
}

function validateSend(frm) {
	if (frm.my_name.value == '') { alert('Please enter your name.'); frm.my_name.focus(); return false; }
	if (!isValidEmail(frm.my_email.value)) { alert('Please enter your e-mail.'); frm.my_email.focus(); return false; }
	if (frm.fr_name.value == '') { alert('Please enter your friend\'s name.'); frm.fr_name.focus(); return false; }
	if (!isValidEmail(frm.fr_email.value)) { alert('Please enter your friend\'s email.'); frm.fr_email.focus(); return false; }
	return true;
}

function wordCount(string) {
  var a = string.split(/\s+/g); // split the sentence into an array of words
  return a.length;
}



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];}
}