/**************************  Trim() ************************* 
* 					*
* 					*
* 					*
*************************************************************/
function Trim(string) 
{
// Removes leading, trailing, and redundant spaces from string 
	var re = /^ */g
	string = string.replace(re, "")
	re = / *$/g
	string = string.replace(re, "")
	re = / {2,}/g
	string = string.replace(re, " ")
	return string
}
function validateDocument(this_form)
{
	var validation = validateFields(this_form);
	if ( validation != -1 )
	{
		alert(this_form.txtError.value)
	}else
	{
		this_form.submit();
	}
}
function validateFields(this_form)
{
	var validated = -1;
	if (this_form.FeedbackRequired.value == ""){return -1;}
	var validate_fields = this_form.FeedbackRequired.value.split("; ");
	for (i = 0 ; i < validate_fields.length ; i++)
	{
		if ( validate_fields[i] != "" )
		{
		var active_field = eval( "this_form." + validate_fields[i] ) ;
		switch(active_field.type)
		{
			case "text" :
				if ( Trim(active_field.value) == "" )
				{					
					validated = i;
					return validated;
				}
				break
			case "hidden" :
				if ( Trim(active_field.value) == "" )
				{					
					validated = i;
					return validated;
				}
				break
			case "textarea" :
				if ( Trim(active_field.value) == "" )
				{					
					validated = i;
					return validated;
				}
				break
			case "select-one" :				
				if ( active_field.options[active_field.selectedIndex].text == 'Select value' )
				{					
					validated = i;
					return validated;
				}
				break
			case "select-multiple" :				
				if ( active_field.selectedIndex == -1)
				{					
					validated = i;
					return validated;
				}
				break
			default:					
				if (active_field[0].type == "radio" || active_field[0].type == "checkbox") 
				{					
					chk = 'false';
					for (m = 0; m < active_field.length; m++)
					{
						if (active_field[m].checked)
						{
							chk = 'true'
							break
						}
					}
					if (chk == 'false')
					{	
						validated = i;					
						return validated;
					}					
				} 
		}
		}
	}
	return validated;
}