function allchk(ftype){
	var field = ftype
	if(field[0].value=='0' && field[0].checked == true){
		for (i = 1; i < field.length; i++){
			field[i].checked = false;
		}
	}
}

function valchk(ftype){
	var field = ftype
	for (i = 1; i < field.length; i++){
		if(field[i].checked==true){
			field[0].checked=false;
		}
	}
}

function validate(){
	var areatest
	var field = document.form1.region
	for (i = 0; i < field.length; i++){
		if(field[i].checked==true){
			areatest=true;
		}
	}
	if(areatest!=true){
	alert("Please select an area of preference");
	return false;
	}
	var typetest
	var field = document.form1.proptype
	for (i = 0; i < field.length; i++){
		if(field[i].checked==true){
			typetest=true;
		}
	}
	if(typetest!=true){
	alert("Please select an accomodation type of preference");
	return false;
	}
	if(document.form1.select_minimum.value==""){
	alert("Please select a minimum rent value");
	return false;
	}
	if(document.form1.select_maximum.value==""){
	alert("Please select a maximum rent value");
	return false;
	}
	if(document.form1.select_beds.value==""){
	alert("Please select number of beds required");
	return false;
	}
}
function printval(){
	var areatest
	var field = document.form1.region
	for (i = 0; i < field.length; i++){
		if(field[i].checked==true){
			areatest=true;
		}
	}
	if(areatest!=true){
	alert("Please select areas to print");
	return false;
	}
}