function openWindow(url, windowWidth, windowHeight, windowProperties) {
	var leftPos = (screen.width - windowWidth) / 2;
	var topPos = (screen.height - windowHeight) / 2 - 40;
	var win = window.open(url,'externalWin','width=' + windowWidth + ', height=' + windowHeight + ', left=' + leftPos + ', top=' + topPos + ', dependent=yes, ' + windowProperties);
	win.focus();
}

// Redirect
function redirect(Url){
	document.location = Url;
}

// Check TextArea Length
function checkLength(element,maxChar){
    if (element.value.length > maxChar){
        alert("Text too long. Must be "+ maxChar +" characters or less");
        return false;
    }
    return true;
}