slides = [];

function showSlide(name, pictures, speed, links)
  {
	var preLoad = [];
	for (i = 0; i < pictures.length; i++)
	  {
		preLoad[i] = new Image();
   	    preLoad[i].src = pictures[i];
		preLoad[i].alt = links[i];
		
	  }
	slides[name] = { 'slidei' : 1, 'pictures' : pictures, 'speed' : speed, 'preLoad' : preLoad, 'links' : links };
	nextSlide(name);
  }

function linkURL(event)
  {
	location.href = this.alt;  
  }

function nextSlide(name)
  {
	var preLoad = slides[name]['preLoad'];
	if (document.all)
	  {
		document.images[name].style.filter="blendTrans(duration=2)"
		document.images[name].style.filter="blendTrans(duration=crossFadeDuration)"
		document.images[name].filters.blendTrans.Apply()
	  }
	document.images[name].src = preLoad[slides[name]['slidei']].src;
	document.images[name].alt = preLoad[slides[name]['slidei']].alt;
	document.images[name].onclick = linkURL;
	if (document.all)
	  {
		document.images[name].filters.blendTrans.Play()
	  }
	slides[name]['slidei']++;
	if (slides[name]['slidei'] == slides[name]['pictures'].length) slides[name]['slidei'] = 0;
	setTimeout("nextSlide('" + name + "')", slides[name]['speed']);
 }

userFocused=null;

function validateFocus(me, always)
  {
    if (typeof(document)=="undefined" ||  typeof(document.getElementById)=="undefined")
        return;
    if (userFocused==me && aways!=true)
        userFocused=null;
    else
      {
        if (typeof(me.type)=="undefined" || me.type!="hidden")
          {
            if (typeof(me.focus)!="undefined")
              {
                me.focus();
                if (typeof(window.setTimeout)!="undefined" && typeof(me.name)!="undefined")
                    window.setTimeout("document.forms[1]." + me.name + ".focus()");
              }
          }
      }
  }


function validateGeneric(me, validation, re, message, arg)
  {
    if (typeof(me)=="undefined") return;
    if (typeof(arg)!="undefined") re = arg;
    if (typeof(me.length)!="undefined")
      {
        for (var i=0; i<me.length; i++)
            if (validateGeneric(me[i], validation, re, message, arg)==false)
                return false;
        return;
      }
    var value = me.type=="checkbox" ?
                    ( me.checked ? me.value : "") : me.value;
    if (value.search(new RegExp(re))==-1)
      {
        alert(message);
        validateFocus(me);
        return false;
      }
  }

function search()
  {
	var form = document.forms[0];
	var value = String(form.Search.value);
	if (value=='')
	  {
		  alert('Please enter a search term');
		  return;
	  }
	form.submit();
  }
		  
 
var popUpWin=0; 
function popUpWindow(width, height, URLStr)
  { 
	if (typeof(SymRealWinOpen)!="undefined") 
		window.open = SymRealWinOpen; var left = (screen.width/2) - width/2; 
	var top = (screen.height/2) - height/2;
	if(popUpWin) 
	  { 
		if (!popUpWin.closed) 
			popUpWin.close(); 
	  }
	popUpWin = open(URLStr, 'popUpWin', 'toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=no,copyhistory=yes,width='+width+',height='+height+',left='+left+', top='+top+',screenX='+left+',screenY='+top+'');
	
	if (popUpWin==null) 
		; 
	else 
		popUpWin.focus() 
  }
	
function showVideo(videoName) 
  { 
	 popUpWindow(300, 276, "/video.php?video=" + videoName);
  }
	
function printPage()
{

  if (typeof(window.print)!="undefined")
	  window.print();
  else
	  alert("Please use your browser function to print the page.");
}

function checkColor(name)
  {
	var elements = document.getElementsByName(name);
	var l = elements.length;
	for (var i=0; i<l; i++)
		if (elements[i].checked)
			return;
	alert("Please select a colour");
	return false;
  }

function checkProduct(form)
  {
	var l = form.elements.length;
	for (var i=0; i<l; i++)
		if (form.elements[i].checked)
			return;
	alert("Please select an option");
	return false;
  }
  
function showImage(id, image)
  {
	var el = document.getElementById(id);
	el.src=image;
  }
  
function checkSelected(index)
  {
	if (index==0)
	  {
		alert("Please select a payment method where it says 'Please Select ..' above where you clicked");
		return false;
	  }
	return;
  }

function getElement(el)
  {

	  return document.getElementById(el);
  }

function hide(el)
  {
	  getElement(el).style.display = 'none';
}
  
function show(el)
  {	  
	  getElement(el).style.display = 'block';
  }

function checkValue(name, value)
  {
	var mes = document.getElementsByName(name);
	var me = mes[0];
	if (me.value!=value)
		{
			me.style.color = '#111111';
		}
  }

function clearValue(name, value)
  {
	var mes = document.getElementsByName(name);
	var me = mes[0];
	if (me.value==value)
		{
			me.value = '';
			me.style.color = '#111111';
			if (me.select!=undefined)
          me.select();
		}
  }

function resetValue(name, value)
  {
	var mes = document.getElementsByName(name);
	var me = mes[0];
	if (me.value=='')
		{
			me.value = value;
			me.style.color = '#999999';
		}
  }
  
function zeroBlank(me)
  {
	if (me.value==0)
	   me.value = '';
  }
  
function cartOver(me, PartNo)
  {
    var name = "quantity_" + PartNo;
    if (me.form[name].value==0)
      {
        me.form[name].value = '1';
        saveCartOver = true;
      }
    else
        saveCartOver = false;

  }

function cartOut(me, PartNo)
  {
    if (saveCartOver)
      {
        var name = "quantity_" + PartNo;
        me.form[name].value = 0;
      }
  }
  
function getElement(el)
  {

	  return document.getElementById(el);
  }

function hide(el)
  {
	  getElement(el).style.display = 'none';
}
  
function show(el)
  {	  
	  getElement(el).style.display = 'block';
  }