function calc() {
 window.open("calc.html", "","scrolbar=auto,menubar=no,status=no,directory=no,width=640,height=550,center=true,htkeys=no");
}

function validate() {
 if (document.f.home.value=='-') {
	alert("Please select a home type!");
	document.f.home.focus();
	return false;
 }
 if (document.f.price.value=='-') {
	alert("Please select a price range!");
	document.f.price.focus();
	return false;
 }
 if (document.f.beds.value=='-') {
	alert("Please select how many bedrooms do you need!");
	document.f.beds.focus();
	return false;
 }
 return true;
}

function validatect() {
 if (document.fc.name.value.length<3) {
	alert("Please enter your name!");
	return false;
 }
 s=document.fc.email.value; p=s.indexOf(" "); k=s.indexOf("@"); K=s.indexOf("."); l=s.length;
 if (((l>0) && ((l<5) || (p>=0) || (k<=0) || (k>=l-2) || (K<=0) || (K>=l-1))) || (l<1)) {
	alert("Please enter your email address!");
	return false;
 }
 if (once) {
	once=false;
	return true;
 } else {
	alert("Your form was processed, please wait a while..");
	return false;
 }
 return true;
}