function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeImages() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		nav_02_over = newImage("images/nav_02-over.gif");
		nav_03_over = newImage("images/nav_03-over.gif");
		nav_04_over = newImage("images/nav_04-over.gif");
		nav_05_over = newImage("images/nav_05-over.gif");
		nav_06_over = newImage("images/nav_06-over.gif");
		preloadFlag = true;
	}
}

function checkit()
{
var message = "";

if (document.forms[0].fname.value == "")
message = message + "Please enter your first name.\n\n";	

if (document.forms[0].lname.value == "")
message = message + "Please enter your last name.\n\n";	

if (document.forms[0].email.value == "")
message = message + "Please enter your email address.\n\n";	


if (document.forms[0].email.value.length >0) 
{
i=document.forms[0].email.value.indexOf("@");
j=document.forms[0].email.value.indexOf(".",i);
k=document.forms[0].email.value.indexOf(",");
kk=document.forms[0].email.value.indexOf(" ");
jj=document.forms[0].email.value.lastIndexOf(".")+1;
len=document.forms[0].email.value.length;
if ((i>0) && (j>(1+1)) && (k==-1) && (kk==-1) && (len-jj >=2) && (len-jj<=3)) 
{}
else 
{message = message + "Please enter a valid email address.\n\n";	}
}


if(message != "")
{
alert(message);
return false;
}
else
{
return true;
}

}