// JavaScript Document
<!-- //
///////////////////////////
//  Generic onload 
///////////////////////////

//onload function (call like this)
// function generic()
// {
//	alert('Generic onload function');
 //};

//setup onload function
/* 
if(typeof window.addEventListener != 'undefined')
{
	//.. gecko, safari, konqueror and standard
	window.addEventListener('load', generic, false);
}
else if(typeof document.addEventListener != 'undefined')
{
	//.. opera 7
	document.addEventListener('load', generic, false);
}
else if(typeof window.attachEvent != 'undefined')
{
	//.. win/ie
	window.attachEvent('onload', generic);
}

//** remove this condition to degrade older browsers
else
{
	//.. mac/ie5 and anything else that gets this far
	
	//if there's an existing onload function
	if(typeof window.onload == 'function')
	{
		//store it
		var existing = onload;
		
		//add new onload handler
		window.onload = function()
		{
			//call existing onload function
			existing();
			
			//call generic onload function
			generic();
		};
	}
	else
	{
		//setup onload function
		window.onload = generic;
	}
}
*/
//-->

///////////////////////
// PRELOAD IMAGES
//////////////////////

<!--
function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}
//-->

/////////////////////////////
// GET, SET, DELETE COOKIES
/////////////////////////////

<!-- 
// To use, simple do: Get_Cookie('cookie_name'); 
// replace cookie_name with the real cookie name, '' are required
function Get_Cookie( check_name ) {
	// first we'll split this cookie up into name/value pairs
	// note: document.cookie only returns name=value, not the other components
	var a_all_cookies = document.cookie.split( ';' );
	var a_temp_cookie = '';
	var cookie_name = '';
	var cookie_value = '';
	var b_cookie_found = false; // set boolean t/f default f
	
	for ( i = 0; i < a_all_cookies.length; i++ )
	{
		// now we'll split apart each name=value pair
		a_temp_cookie = a_all_cookies[i].split( '=' );
		
		
		// and trim left/right whitespace while we're at it
		cookie_name = a_temp_cookie[0].replace(/^\s+|\s+$/g, '');
	
		// if the extracted name matches passed check_name
		if ( cookie_name == check_name )
		{
			b_cookie_found = true;
			// we need to handle case where cookie has no value but exists (no = sign, that is):
			if ( a_temp_cookie.length > 1 )
			{
				cookie_value = unescape( a_temp_cookie[1].replace(/^\s+|\s+$/g, '') );
			}
			// note that in cases where cookie is initialized but no value, null is returned
			return cookie_value;
			break;
		}
		a_temp_cookie = null;
		cookie_name = '';
	}
	if ( !b_cookie_found ) 
	{
		return null;
	}
}

/*
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";
}
//-->

///////////////////////
// NO RIGHT CLICKS
//////////////////////

<!--
var isNS = (navigator.appName == "Netscape") ? 1 : 0;
var EnableRightClick = 0;
if(isNS) 
document.captureEvents(Event.MOUSEDOWN||Event.MOUSEUP);
function mischandler(){
 if(EnableRightClick==1){ return true; }
 else {return false; }
}
function mousehandler(e){
 if(EnableRightClick==1){ return true; }
 var myevent = (isNS) ? e : event;
 var eventbutton = (isNS) ? myevent.which : myevent.button;
 if((eventbutton==2)||(eventbutton==3)) return false;
}
function keyhandler(e) {
 var myevent = (isNS) ? e : window.event;
 if (myevent.keyCode==96)
 EnableRightClick = 1;
 return;
}
document.oncontextmenu = mischandler;
document.onkeypress = keyhandler;
document.onmousedown = mousehandler;
document.onmouseup = mousehandler;
//-->

///////////////////////
// NO BACK BUTTON
//////////////////////

<!-- 
// disable back btn
function noBack(){
window.history.forward()
} 
// noBack(); 
// window.onload=noBack; 
// window.onpageshow=function(evt){if(evt.persisted)noBack()} 
// window.onunload=function(){void(0)} 
//-->

///////////////////////
// AUTO REFRESH
//////////////////////

<!-- 
// auto-refresh
function autoRefresh()
{
    // the timeout value should be the same as in the "refresh" meta-tag
    setTimeout( "refresh()", 600*1000 ); // 10 min
}
var sURL = unescape(window.location.pathname);
function refresh()
{
  //  This version of the refresh function will be invoked
    //  for browsers that support JavaScript version 1.2
    //
    //  The argument to the location.reload function determines
    //  if the browser should retrieve the document from the
    //  web-server.  In our example all we need to do is cause
    //  the JavaScript block in the document body to be
    //  re-evaluated.  If we needed to pull the document from
    //  the web-server again (such as where the document contents
    //  change dynamically) we would pass the argument as 'true'.
    //  
    window.location.href = sURL; // js v1.0
	window.location.replace( sURL ); // js v1.1
	window.location.reload( true ); // js v1.2 +
	
}
//-->