// Browser & OS Detection for .css files
var arTemp = 3
var tmpBrowser = navigator.appName.toLowerCase();
var tmpOS = navigator.platform.toLowerCase();
var strBrowser = "ie"
var strOS = ""
								
if (tmpOS.indexOf("mac")!=-1){
	if (tmpBrowser.indexOf("netscape")!=-1){document.write ("<LINK href='../style_macns.css' rel='stylesheet' type='text/css'");}
	else{document.write ("<LINK href='../style_macie.css' rel='stylesheet' type='text/css'");}
}

if (tmpOS.indexOf("win")!=-1){
	if (tmpBrowser.indexOf("netscape")!=-1){document.write ("<LINK href='../style_ns.css' rel='stylesheet' type='text/css'");}
	else{document.write ("<LINK href='../style_ie.css' rel='stylesheet' type='text/css'");}
}
								
// Roll Over Images
function chgImage(newImage,ar) {
catImage.src = newImage;
document["ar" + arTemp].src = "spacer.gif";
document["ar" + ar].src = ""
arTemp = ar
}

var dialog = new Object()



function errNoImage(objImage) {
	objImage.src = "spacer_1x1.gif";
}
	

function isEmailValidate(str) {
	if (!isEmail(str.email.value)) {
		alert("Please enter a valid email address.");
		str.focus();
		return false;
		}
	else {
		return true;
		}
}

function isEmail(str) {
  // are regular expressions supported?
  var supported = 0;
  if (window.RegExp) {
    var tempStr = "a";
    var tempReg = new RegExp(tempStr);
    if (tempReg.test(tempStr)) supported = 1;
  }
  if (!supported) 
    return (str.indexOf(".") > 2) && (str.indexOf("@") > 0);
  var r1 = new RegExp("(@.*@)|(\\.\\.)|(@\\.)|(^\\.)");
  var r2 = new RegExp("^.+\\@(\\[?)[a-zA-Z0-9\\-\\.]+\\.([a-zA-Z]{2,3}|[0-9]{1,3})(\\]?)$");
  return (!r1.test(str) && r2.test(str));
}

//clears email field on focus
var cleared = 0
function clearField(field) {		
	if (cleared != 1) {
		field.value = "";
		cleared=1;}
	else {cleared = 0;}						
}

function windowOpener(winLocation,winName,winSettings) {
   newWindow=window.open(winLocation,winName,winSettings);
   }