function valdiate()
{
	var error_message = '';
	if( document.getElementById("feet").value == "" )
	{
		error_message = error_message + 'Please Enter Feet\n';
	}
	else
	{
		var res = isInteger(document.getElementById("feet").value);
		if( res == 0 )
			error_message = error_message + 'Please Enter Valid Height\n';
	}
	
	if( document.getElementById("inches").value == "" )
	{
		error_message = error_message + 'Please Enter Inches\n';
	}
	else
	{
		var res = isInteger(document.getElementById("inches").value);
		if( res == 0 )
			error_message = error_message + 'Please Enter Valid Height\n';
	}
	
	if( document.getElementById("weight").value == "" )
	{
		error_message = error_message + 'Please Enter Weight\n';
	}
	else
	{
		var res = isInteger(document.getElementById("weight").value);
		if( res == 0 )
			error_message = error_message + 'Please Enter Valid Weight\n';
	}
	
	if( error_message != '' )
	{
		alert(error_message);
		return false;
	}
	else
	{
		return true;
	}
}