function ValidChars(sText,ValidChars) {
	var IsNumber=true;
	var Char;
	for (i = 0; i < sText.length && IsNumber == true; i++) { 
		Char = sText.charAt(i); 
		if (ValidChars.indexOf(Char) == -1)  {
			IsNumber = false;
		}
	}
	return IsNumber;
}
function checkform (form) {
	if (form.feet.value == "") {
		alert( "Please enter your height (feet)" );
		form.feet.focus();
		return false;
	}
	if (!ValidChars(form.feet.value,"0123456789")) {
		alert( "Please enter only numbers for your height (feet)" );
		form.feet.focus();
		return false;
	}
	
	if (form.inches.value == "") {
		alert( "Please enter your height (inches)" );
		form.inches.focus();
		return false;
	}
	if (!ValidChars(form.inches.value,"0123456789")) {
		alert( "Please enter only numbers for your height (inches)" );
		form.inches.focus();
		return false;
	}
	
	
	if (form.weight.value == "") {
		alert( "Please enter your weight" );
		form.weight.focus();
		return false;
	}
	if (!ValidChars(form.weight.value,"0123456789")) {
		alert( "Please enter only numbers for your weight" );
		form.weight.focus();
		return false;
	}
	
	
	if (!ValidChars(form.waist.value,"0123456789")) {
		alert( "Please enter only numbers for your waist size" );
		form.waist.focus();
		return false;
	}

	if (form.fname.value == "") {
		alert( "Please enter your Fullname" );
		form.fname.focus();
		return false;
	}
	if (form.location.value == "") {
		alert( "Please enter your Location" );
		form.location.focus();
		return false;
	}
	if (form.emailadd.value == "") {
		alert( "Please enter your Email Address" );
		form.emailadd.focus();
		return false;
	}
}
function checkuinfo (form) {
	if (form.uname.value == "") {
		alert( "Please enter your Fullname" );
		form.uname.focus();
		return false;
	}
	if (form.uemail.value == "") {
		alert( "Please enter your Email Address" );
		form.uemail.focus();
		return false;
	}
}

function checkinterest (form) {
	if (form.uage.value == "") {
		alert( "Please enter your Age" );
		form.uage.focus();
		return false;
	}
	if (!ValidChars(form.uage.value,"0123456789")) {
		alert( "Please enter only numbers for your Age" );
		form.uage.focus();
		return false;
	}
	if (form.emailadd.value == "") {
		alert( "Please enter your Email Address" );
		form.emailadd.focus();
		return false;
	}
	if (form.fname.value == "") {
		alert( "Please enter your Fullname" );
		form.fname.focus();
		return false;
	}
	if (form.location.value == "") {
		alert( "Please enter your Address" );
		form.location.focus();
		return false;
	}
	if (form.gender.value == "") {
		alert( "Please choose your Gender" );
		form.gender.focus();
		return false;
	}
	
}