function frmParam_onSubmit(check){

	if (check.name.value.length == 0)
	{	
		alert("Please enter your name!");
		check.name.focus();
		return false;
	}	

	if (check.phone.value.length == 0)
	{	
		alert("Please enter your phone number!");
		check.phone.focus();
		return false;
	}
	if (check.email.value.length == 0)
	{	
		alert("Please enter your email address!");
		check.email.focus();
		return false;
	}
	if (check.email.value){
	// check to see if email field is valid
		var emailformat=/^.+@.+\..{2,3}$/;
		if (!(emailformat.test(check.email.value))){
		// tell client that you need the email address
			alert("Please enter a valid email address")
			// send the cursor to the email field
			check.email.focus()
			//return false to abort the submission
			return false
		}
	}
	if (check.enquiry.value.length == 0)
	{	
		alert("Please enter your enquiry!");
		check.enquiry.focus();
		return false;
	}	
}


function OpenFreeze(type) {
	if(document.getElementById(type).style.display=="block") {
			document.getElementById(type).style.display="none";
	} else {
			document.getElementById(type).style.display="block";
	}
	
}


function OpenBranch(type) {
	if(document.getElementById(type).style.display=="block") {
			document.getElementById(type).style.display="none";
	} else {
			document.getElementById(type).style.display="block";
	}
}


function OpenPlace(type) {
		
			document.getElementById("freeze_middle").style.display="none";
				document.getElementById("branch_middle").style.display="none";
				
				document.getElementById("freeze_northern").style.display="none";
				document.getElementById("branch_northern").style.display="none";
				
				document.getElementById("freeze_sourthern").style.display="none";
				document.getElementById("branch_sourthern").style.display="none";
		
		if(type=="middle_place") {
				document.getElementById(type).style.display="block";
				document.getElementById("sourthern_place").style.display="none";
				document.getElementById("northern_place").style.display="none";
		}
		else if(type=="sourthern_place") {
				document.getElementById(type).style.display="block";
				document.getElementById("middle_place").style.display="none";
				document.getElementById("northern_place").style.display="none";
		}
		else if(type=="northern_place") {
				document.getElementById(type).style.display="block";
				document.getElementById("middle_place").style.display="none";
				document.getElementById("sourthern_place").style.display="none";
		}
}