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 switchclass(o,t) {
	o.className = t ? 'MenuLeftGreyOver' : 'MenuLeftGrey';
}



function checkFields(objForm) {
	if (typeof objForm.Email != "undefined") { // check SYNTAX of email address
		if (!(/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,4})+$/.test(objForm.Email.value))) {
			alert("Please fill in a valid E-mail address otherwise we cannot contact you");
			return false;
		}
	}
	return true;
}

function activateFirstFormField() {
	if (document.forms.length > 0) {
		var f = document.forms[0];
		for (var fc = 0; fc < f.elements.length; fc++) {
			var fe = f.elements[fc];
			if (!fe.disabled && fe.type != "hidden") {
				//alert(fe.name);
				fe.focus();
				break;
			}
		}
	}
}



function popupimage(s) {
	var oImage = new Image();
	oImage.src = s;
	if (document.layers) { // netscape 4.x
		oImage.onLoad = _after_image_loaded;
	} else {
		_after_image_loaded(oImage);
	}
}
function _after_image_loaded(evnt) {
	var oImage;
	if (document.layers) { // netscape 4.x
		oImage = evnt.target;
	} else {
		oImage = evnt;
	}
	window.open('viewimage.asp?img='+escape(oImage.src), "_blank",
		'toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=no,'+
		'left='+((screen.width-oImage.width)/2)+',top='+((screen.height-oImage.height)/2)+','+
		'width='+(oImage.width+10)+',height='+(oImage.height+10)+'');
}