function setFieldRequired(FieldID) {
    jQuery('#' + FieldID).addClass('form_required');
}

function ValidateForm(FormID, showError, errorDialog) {
    var ret = true;
    var requiredFields = jQuery('#' + FormID + ' .form_required');
    var turnRed = false;
    var turnBlack = true;
    requiredFields.each(function(i, v) {
	
        switch (v.tagName) {
            case 'INPUT':
                if (v.value.trim() == '') {
                    ret = false;
		    turnRed = true;
		    turnBlack = false;
                    //jQuery('#' + v.id).parent().prev().css('color', '#FF0000');
		    
                }
                else {
		    turnRed = false;
		    turnBlack = true;
                    //jQuery('#' + v.id).parent().prev().css('color','#000000');
                }
                break;
            case 'SELECT':
                if (v.selectedIndex == 0) {
                    ret = false;
		    turnRed = true;
		    turnBlack = false;
                    //jQuery('#' + v.id).parent().prev().css('color', '#FF0000');
                }
                else {
		    turnRed = false;
		    turnBlack = true;
                    //jQuery('#' + v.id).parent().prev().css('color','#000000');
                }
                break;
        }
	if (turnRed) {
	    jQuery("label[for='" + v.id + "']").css('color', '#FF0000');
	    jQuery("#required_legend").css('color', '#FF0000');
	}
	else if (turnBlack) {
	    jQuery("label[for='" + v.id + "']").css('color', '#000000');
	    jQuery("#required_legend").css('color', '#FFFFFF');
	}
    });
    
    if (!ret) {
        //display the error message
//        var DialogString = '<h2 class="sepImage epBlue">While our website provides a wealth of information our <span class="epRed">FREE DVD</span> is still the best way to see how our swimming machines perform.</h2>';
//        DialogString += '<table width="90%" align="center" border="0" cellpadding="5"><tr valign="middle"><td align="center" width="50%">';
//        DialogString += '<img src="indexcimages/requestandproceed.gif" width="135" height="64" onclick="Dialog.closeInfo();" />'
//       //DialogString += '<button style="height: 60px;" onclick="Dialog.closeInfo();">Request FREE DVD,<br />then proceed to the main website.</button>';
//        DialogString += '</td><td align="center" width="50%">';
//        DialogString += '<img src="indexcimages/proceed.gif" width="135" height="64" onclick="location.href = \'main.html\';" />'
//        //DialogString += '<button style="height: 60px;" onclick="location.href = \'main.html\';">Proceed to the main website.</button>';
//        DialogString += '</td></tr></table>';


	var DialogString = '<h2 class="sepImage epBlue">Oops!  In order to send you our <span class="epRed">FREE DVD</span> we require a few important pieces of information.  We\'ve hightlighted the missing pieces in <span class="epRed">red</span>.</h2>';
        DialogString += '<table width="90%" align="center" border="0" cellpadding="5"><tr valign="middle"><td align="center">';
        //DialogString += '<img src="http://www.endlesspools.com/indexcimages/requestandproceed.gif" id="PopupErrorDialogButton" width="135" height="64" onclick="Dialog.closeInfo();" />';
	DialogString += '<img src="http://www.endlesspools.com/indexcimages/requestandproceed.gif" id="PopupErrorDialogButton" width="135" height="64" onclick="gPopupErrorDialog.close();" />';
  	DialogString += '</td></tr></table>';
  	//DialogString += '<button style="height: 60px;" onclick="Dialog.closeInfo();">Request FREE DVD,<br />then proceed to the main website.</button>';
        //DialogString += '</td><td align="center" width="50%">';
        //DialogString += '<img src="indexcimages/proceed.gif" width="135" height="64" onclick="location.href = \'main.html\';" />'
        //DialogString += '<button style="height: 60px;" onclick="location.href = \'main.html\';">Proceed to the main website.</button>';
        //DialogString += '</td></tr></table>';
        //Dialog.info(DialogString, { windowParameters: {resizable: false,  effectOptions: {duration:0.25}, showEffect: Effect.Grow, hideEffect: Effect.Puff, width: 375, height:200, className:"alphacube"}});
	//gPopupErrorDialog = Dialog.info(DialogString, { windowParameters: {id:"gPopupErrorDialog", resizable: false, width: 375, height:200, zIndex:3000, className:"alphacube", onShow: function() {jQuery('#gPopupErrorDialog').click(function(){gPopupErrorDialog.close();});}}});
	
    }
    return ret;
}