function MM_openBrWindow(theURL,winName,features){window.open(theURL,winName,features);}
function emptyField(textObj){if (textObj.value.length == 0) return true;for (var i=0; i<textObj.value.length; i++){var ch = textObj.value.charAt(i);if (ch != ' ' && ch != '\t') return false;};return true;}
function getNumbers(){var ch=event.keyCode;event.returnValue =((ch >= 48 && ch <= 57) || ch ==46);}
String.prototype.trim = function(){return this.replace(/(^\s*)|(\s*$)/g, "");}
function checkEmail(checkThisEmail){
var myEMailIsValid = true;
var myAtSymbolAt = checkThisEmail.indexOf('@');
var myLastDotAt = checkThisEmail.lastIndexOf('.');
var mySpaceAt = checkThisEmail.indexOf(' ');
var myLength = checkThisEmail.length;
if (myAtSymbolAt < 1 ){myEMailIsValid = false}
if (myLastDotAt < myAtSymbolAt) {myEMailIsValid = false}
if (myLength - myLastDotAt <= 2){myEMailIsValid = false}
if (mySpaceAt != -1) {myEMailIsValid = false}
return myEMailIsValid
}

function initUPpage() {
   if (document.body.scrollHeight > 450 && window.screen.height == 600){
		if (document.layers) document.layers['UPpage'].visibility = "show";
		else if (document.all) document.all['UPpage'].style.visibility = "visible";
   } 
   else if (document.body.scrollHeight > 700 && window.screen.height > 690){
		if (document.layers) document.layers['UPpage'].visibility = "show";
		else if (document.all) document.all['UPpage'].style.visibility = "visible";
   }
}