// -------------------------------------------------------
// COMMON CODE FUNCTIONS FOR JAVASCRIPT
// Written by:		Betty Lipic
// Date:			24/11/2004
// For:				Envelop Ltd
// -------------------------------------------------------

// -------------------------------------------------------
// SCROLL THROUGH IMAGES
// -------------------------------------------------------
		function buttonnext_onclick() { 
		//alert ("currentpic=" + currentpic + "totalpic=" + totalpic + a[currentpic]);
		if (currentpic == totalpic) 
		//check if you are on the last image 
			{ //alert ("You have reached the end you idiot.") ;
			document.images("homepagemain").src = a[currentpic];  
			currentpic = 0; 			
			} 
		else { 
			document.images("homepagemain").src = a[currentpic];  
			currentpic = currentpic + 1; 
			} 
		} 

// -------------------------------------------------------
// MAIN MENU ROLLOVER FUNCTIONS
// -------------------------------------------------------
function SimpleSwap(el,which){
  el.src=el.getAttribute(which || "origsrc");
}

function SimpleSwapSetup(){
  var x = document.getElementsByTagName("img");
  for (var i=0;i<x.length;i++){
    var oversrc = x[i].getAttribute("oversrc");
    if (!oversrc) continue;
      
    // preload image
    // comment the next two lines to disable image pre-loading
    x[i].oversrc_img = new Image();
    x[i].oversrc_img.src=oversrc;
    // set event handlers
    x[i].onmouseover = new Function("SimpleSwap(this,'oversrc');");
    x[i].onmouseout = new Function("SimpleSwap(this);");
    // save original src
    x[i].setAttribute("origsrc",x[i].src);
  }
}

var PreSimpleSwapOnload =(window.onload)? window.onload : function(){};
window.onload = function(){PreSimpleSwapOnload(); SimpleSwapSetup();}