// JavaScript Document
function EW_hasValue(obj, obj_type) {
	if (obj_type == "TEXT" || obj_type == "PASSWORD" || obj_type == "TEXTAREA" || obj_type == "FILE")	{
		if (obj.value.length == 0) 
			return false;		
		else 
			return true;
	}	else if (obj_type == "SELECT") {
		if (obj.type != "select-multiple" && obj.selectedIndex == 0)
			return false;
		else if (obj.type == "select-multiple" && obj.selectedIndex == -1)
			return false;
		else
			return true;
	}	else if (obj_type == "RADIO" || obj_type == "CHECKBOX")	{
		if (obj[0]) {
			for (i=0; i < obj.length; i++) {
				if (obj[i].checked)
					return true;
			}
		} else {
			return (obj.checked);
		}
		return false;	
	}
}


function EW_onError(form_object, input_object, object_type, error_message) {
	error_message.style.display='';
}

function EW_cleanMessage(error_message){
	error_message.style.display='none';
}

function ew_SetFocus(input_object) {
	if (!input_object || !input_object.type)
		return;
	var type = input_object.type;	 			
	if (type == "radio" || type == "checkbox") {
		if (input_object[0])
			input_object[0].focus();
		else
			input_object.focus();
	}	else if (!ew_IsHiddenTextArea(input_object)) { 
		input_object.focus();  
	}  
	if (type == "text" || type == "password" || type == "textarea" || type == "file") {
		if (!ew_IsHiddenTextArea(input_object))
			input_object.select();
	}
}

function EW_checkemail(object_value) {

	if (object_value.length == 0)
		return false;

	if (!(object_value.indexOf("@") > -1 && object_value.indexOf(".") > -1))
		return false;    
	
	return true;
}

function EW_checknumber(object_value) {
	if (object_value.length == 0)
		return true;
	
	var start_format = " .+-0123456789";
	var number_format = " .0123456789";
	var check_char;
	var decimal = false;
	var trailing_blank = false;
	var digits = false;
	
	check_char = start_format.indexOf(object_value.charAt(0));
	if (check_char == 1)
		decimal = true;
	else if (check_char < 1)
		return false;
	 
	for (var i = 1; i < object_value.length; i++)	{
		check_char = number_format.indexOf(object_value.charAt(i))
		if (check_char < 0) {
			return false;
		} else if (check_char == 1)	{
			if (decimal)
				return false;
			else
				decimal = true;
		} else if (check_char == 0) {
			if (decimal || digits)	
			trailing_blank = true;
		}	else if (trailing_blank) { 
			return false;
		} else {
			digits = true;
		}
	}	
	
	return true;
}

/*function EW_checkspace(object_value) {

	if (object_value.length == 0)
		return false;
	
	if (object_value.indexOf(" ") > 0 )
		return false;
		
	if (object_value.indexOf('"')>0 || object_value.indexOf("/")>0 || object_value.indexOf("\")>0 || object_value.indexOf('"')>0     
	
	return true;
}*/

function EW_submitForm(EW_this){
	EW_this.submit();
}