function testMe(){
	alert("test me in pageCommon.js");
}

function MM_reloadPage(init ) {  //reloads the window if Nav4 resized
  	if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    	document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
  	else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) 
  		location.reload();
}



function externalLinks() {
 if (!document.getElementsByTagName) return;
 var anchors = document.getElementsByTagName("a");
 for (var i=0; i<anchors.length; i++) {
   var anchor = anchors[i];
   if (anchor.getAttribute("href") &&
       anchor.getAttribute("rel") == "external")
     anchor.target = "_blank";
 }
}

/*
Script Name: Javascript Cookie Script
Author: Public Domain, with some modifications
Script Source URI: http://techpatterns.com/downloads/javascript_cookies.php
Version 1.0.0
Last Update: 30 May 2004

This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  
*/

// this function gets the cookie, if it exists
function Get_Cookie( name ) {
	
	var start = document.cookie.indexOf( name + "=" );
	var len = start + name.length + 1;
	if ( ( !start ) && ( name != document.cookie.substring( 0, name.length ) ) )
	{
		return null;
	}
	if ( start == -1 ) return null;
	var end = document.cookie.indexOf( ";", len );
	if ( end == -1 ) end = document.cookie.length;
	return unescape( document.cookie.substring( len, end ) );
}

/*
only the first 2 parameters are required, the cookie name, the cookie
value. Cookie time is in milliseconds, so the below expires will make the 
number you pass in the Set_Cookie function call the number of days the cookie
lasts, if you want it to be hours or minutes, just get rid of 24 and 60.

Generally you don't need to worry about domain, path or secure for most applications
so unless you need that, leave those parameters blank in the function call.
*/
function Set_Cookie( name, value, expires, path, domain, secure ) {
	// set time, it's in milliseconds
	var today = new Date();
	today.setTime( today.getTime() );
	// if the expires variable is set, make the correct expires time, the
	// current script below will set it for x number of days, to make it
	// for hours, delete * 24, for minutes, delete * 60 * 24
	if ( expires )
	{
		expires = expires * 1000 * 60 * 60 * 24;
	}
	//alert( 'today ' + today.toGMTString() );// this is for testing purpose only
	var expires_date = new Date( today.getTime() + (expires) );
	//alert('expires ' + expires_date.toGMTString());// this is for testing purposes only

	document.cookie = name + "=" +escape( value ) +
		( ( expires ) ? ";expires=" + expires_date.toGMTString() : "" ) + //expires.toGMTString()
		( ( path ) ? ";path=" + path : "" ) + 
		( ( domain ) ? ";domain=" + domain : "" ) +
		( ( secure ) ? ";secure" : "" );
}

// this deletes the cookie when called
function Delete_Cookie( name, path, domain ) {
	if ( Get_Cookie( name ) ) document.cookie = name + "=" +
			( ( path ) ? ";path=" + path : "") +
			( ( domain ) ? ";domain=" + domain : "" ) +
			";expires=Thu, 01-Jan-1970 00:00:01 GMT";
}


function trim(str){
	if (str==null || str=="" || str.length<=0)
		return "";
	var trimed = lTrim(str);
	trimed = rTrim(trimed);
	return trimed;
}

function lTrim(str) {
	var space = String.fromCharCode(32);
	if (str==null || str=="" || str.length<1)
		return "";
	if (str.length==1){
		if (str.charAt(0)==space)
			return "";
		else
			return str;
	}
	if (str.charAt(0)==space)
		return lTrim(str.substring(1,str.length));
	else
		return str;
}

function rTrim(str) {
	var space = String.fromCharCode(32);
	if (str==null || str=="" || str.length<1)
		return "";
	if (str.length==1){
		if (str.charAt(0)==space)
			return "";
		else
			return str;
	}
	if (str.charAt(str.length-1)==space)
		return rTrim(str.substring(0,str.length-1));
	else
		return str;
}

/* For Form validation common functions */
	function isEmpty(field){
		if (field.value==null || 
			field.value.length<=0 ||
			trim(field.value)==null || 
			trim(field.value).length<=0
			){
			return true;
   		}
   		else {
   			return false;
   		}
   	}
   	
   	function isValidEmail(email){
   		if (email.value.indexOf("@")==-1)
   			return false;
   		else
   			return true;
   	}
	
	function checkMinLength(field, name, length){
		if (field.value==null || trim(field.value).length<length){
			var msg = name + " needs to be at least " + length + " characters.";
			return msg;
		}
		return null;
	}
	
	function IsNumeric(field)
	{
		var sText = field.value;
		var ValidChars = "0123456789.";
		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;
   }
