function validate_form( )
{
		var error_exists = "";

			for( var x = 0; x < document.forms[0].elements.length ; x++ )
			{
				var field = document.forms[0].elements[x];

				if( field.type != "submit" && field.type != "reset" )
				{
					if( field.id.indexOf( "_req" ) != -1 )
					{
						if( field.value == "" )
						{
							error_exists = 1;

							field.style.background = "#520202";
						}
					}
				}
			}

			if ( error_exists == "" )
			{
				return true;
			}
			else
			{
				return false;
			}
		}

		function reset_field ( field )
		{
			
			field.style.background = "url(images/bg_formfield.jpg)";
		}