if (document.images){



img1on = new Image();
img1on.src = "images/btn_home_on.gif"
img1off = new Image();
img1off.src = "images/btn_home_off.gif"

img2on = new Image();
img2on.src = "images/btn_events_on.gif"
img2off = new Image();
img2off.src = "images/btn_events_off.gif";

img3on = new Image();
img3on.src = "images/btn_rental_on.gif"
img3off = new Image();
img3off.src = "images/btn_rental_off.gif"

img4on = new Image();
img4on.src = "images/btn_news_on.gif"
img4off = new Image();
img4off.src = "images/btn_news_off.gif"

img5on = new Image();
img5on.src = "images/btn_gallery_on.gif"
img5off = new Image();
img5off.src = "images/btn_gallery_off.gif"


img6on = new Image();
img6on.src = "images/btn_contact_on.gif"
img6off = new Image();
img6off.src = "images/btn_contact_off.gif"

}


function imgSwap(imgName,imgFile)  { 
	if(document.images){ 
        document.images[imgName].src = eval (imgFile + ".src");
		}
		}

		
function popup(what,width,height) {
        msgWindow=window.open(what,"NameofWindow","toolbar=no,directories=no,status=no,scrollbars=yes,resize=no,menubar=no,width=" + width + ",height=" + height)
        if (((navigator.appName=="Netscape") && ((navigator.appVersion).charAt(0) > 2))) {
                msgWindow.focus()
        }
}


function ProcessForm(){
		var iAtPos, iDotPos;
		var a = document.signup;
		//salSelect = a.prefix.selectedIndex;
		howfoundselect = a.how_found.selectedIndex;			
		//cntrySelect = a.country.selectedIndex;
	
		if (a.organization.value == "")
		{
			alert("Please enter the name of your organization.");
			a.organization.focus();
			return false;		
		}	
			
		else if (a.first_name.value == "")
		{
			alert("Please enter a first name");
			a.first_name.focus();
			return false;		
		}			
		
		else if (a.last_name.value == "")
		{
			alert("Please enter a last name");
			a.last_name.focus();
			return false;		
		}				
	
		//email is required 
		else if (a.email.value == ""){
				alert("Please enter an email address");
				a.email.focus();			
				return false;
		}	
			
		// validate email address
		if (a.email.value != ""){
			iAtPos = a.email.value.indexOf("@");
			if (iAtPos == -1){
				alert("Please enter a valid email address");
				a.email.focus();
				return false;
			}
			
			iDotPos = a.email.value.lastIndexOf(".")
			if ((iDotPos == -1) || (iDotPos < iAtPos)){
				alert("Please enter a valid email address");
				a.email.focus();
				return false;
			}
		}	
			
		if (a.telephone.value == "")
		{
			alert("Please enter a phone number")
			a.telephone.focus();
			return false;		
		}		
		else if (a.telephone.value.length < 10)
		{
			alert("Please enter a phone number of atleast ten numbers")
			a.telephone.focus();
			return false;		
		}	
		else if (isNaN(a.telephone.value))
		{
			alert("Please enter a valid phone number")
			a.telephone.focus();
			return false;		
		}				
		
		else if (howfoundselect == 0)
		{
			alert("Please select how you found us.");
			a.how_found.focus();
			return false;		
		}		
																															
		else
		{
			return true
		}			
}