// functions

function orderTotal(oform, prefix) {

var qty = oform[prefix + "_qty"];
var stHold = oform[prefix + "_stHold"];
var price = oform[prefix + "_price"];
var stVis = oform[prefix + "_stVis"];

// only bother if the field has contents
if (qty == "") return;
if(isNaN(qty.value) || (qty.value <= 0)) {
  qty.value = "";
  stHold.value = "";
} else
  stHold.value = (Math.round(qty.value * price.value * 100)/100).toFixed(2);
  visTotal(oform, prefix);
}


function visTotal(oform, prefix){
var stHold = oform[prefix + "_stHold"];
var stVis = oform[prefix + "_stVis"];

if (stVis.value != stHold.value)
  stVis.value = stHold.value;
}


//-> home page slider
function movedown(){
  if (window.moveupvar) clearTimeout(moveupvar)
  if (iens6 && parseInt(crossobj.style.top) >= (contentheight * (-1) + 610))
    crossobj.style.top=parseInt(crossobj.style.top) - speed + "px"
  else if (ns4 && crossobj.top >= (contentheight * (-1) + 610))
    crossobj.top -= speed
    movedownvar = setTimeout("movedown()", 1)
}
function moveup(){
if (window.movedownvar) clearTimeout(movedownvar)
if (iens6 && parseInt(crossobj.style.top) <= -10)
  crossobj.style.top = parseInt(crossobj.style.top) + speed + "px"
else if (ns4 && crossobj.top <= 0)
  crossobj.top += speed
  moveupvar = setTimeout("moveup()", 1)
}
function getcontent_height() {
  if (iens6) { 
    contentheight=crossobj.offsetHeight
  } else if (ns4) {
    document.nscontainer.document.nscontent.visibility = "show"
  }
}
function mb(){
if (iens6)
  crossobj.style.top = -750 + "px"
else if (ns4)
  crossobj.top = -750
}


//-> image preloading
if (document.images) {
  pic1 = new Image(354,271); 
  pic1.src = "img/bt_up01_o.jpg"; 

  pic2 = new Image(205,235); 
  pic2.src="img/bt_up02_o.jpg"; 
  
  pic2 = new Image(102,89); 
  pic2.src="img/butn-o.gif";
}


//-> generic rollover
function roll(imgn, imgs) {
  document[imgn].src = imgs;
}



// online ordering
var order = new Array()
order[0]=' <a href="orders_cnd.php">Canadian Order Form</a>'
order[1]=' <a href="orders_usd.php" style="border-bottom: 0;">American Order Form</a>'

	
var menuwidth='250px' //default menu width
var menubgcolor='#FFFFFF'  //menu bgcolor
var disappeardelay=100  //menu disappear speed onMouseout (in miliseconds)
var hidemenu_onclick="yes" //hide menu when user clicks within menu?

/////No further editting needed

var ie4=document.all
var ns6=document.getElementById&&!document.all

if (ie4||ns6)
document.write('<div id="dmd" style="visibility:hidden;width:'+menuwidth+';background-color:'+menubgcolor+'" onMouseover="clearhidemenu()" onMouseout="dynamichide(event)"></div>')

function getposOffset(what, offsettype){
var totaloffset=(offsettype=="left")? what.offsetLeft : what.offsetTop;
var parentEl=what.offsetParent;
while (parentEl!=null){
totaloffset=(offsettype=="left")? totaloffset+parentEl.offsetLeft : totaloffset+parentEl.offsetTop;
parentEl=parentEl.offsetParent;
}
return totaloffset;
}


function showhide(obj, e, visible, hidden, menuwidth){
if (ie4||ns6)
dropmenuobj.style.left=dropmenuobj.style.top="-510px"
if (menuwidth!=""){
dropmenuobj.widthobj=dropmenuobj.style
dropmenuobj.widthobj.width=menuwidth
}
if (e.type=="click" && obj.visibility==hidden || e.type=="mouseover")
obj.visibility=visible
else if (e.type=="click")
obj.visibility=hidden
}

function iecompattest(){
return (document.compatMode && document.compatMode!="BackCompat")? document.documentElement : document.body
}

function clearbrowseredge(obj, whichedge){
var edgeoffset=0
if (whichedge=="rightedge"){
var windowedge=ie4 && !window.opera? iecompattest().scrollLeft+iecompattest().clientWidth-15 : window.pageXOffset+window.innerWidth-15
dropmenuobj.contentmeasure=dropmenuobj.offsetWidth
if (windowedge-dropmenuobj.x < dropmenuobj.contentmeasure)
edgeoffset=dropmenuobj.contentmeasure-obj.offsetWidth
}
else{
var topedge=ie4 && !window.opera? iecompattest().scrollTop : window.pageYOffset
var windowedge=ie4 && !window.opera? iecompattest().scrollTop+iecompattest().clientHeight-15 : window.pageYOffset+window.innerHeight-18
dropmenuobj.contentmeasure=dropmenuobj.offsetHeight
if (windowedge-dropmenuobj.y < dropmenuobj.contentmeasure){ //move up?
edgeoffset=dropmenuobj.contentmeasure+obj.offsetHeight
if ((dropmenuobj.y-topedge)<dropmenuobj.contentmeasure) //up no good either?
edgeoffset=dropmenuobj.y+obj.offsetHeight-topedge
}
}
return edgeoffset
}

function populatemenu(what){
if (ie4||ns6)
dropmenuobj.innerHTML=what.join("")
}


function ddm(obj, e, menucontents, menuwidth){
if (window.event) event.cancelBubble=true
else if (e.stopPropagation) e.stopPropagation()
clearhidemenu()
dropmenuobj=document.getElementById? document.getElementById("dmd") : dmd
populatemenu(menucontents)

if (ie4||ns6){
showhide(dropmenuobj.style, e, "visible", "hidden", menuwidth)

dropmenuobj.x=getposOffset(obj, "left")
dropmenuobj.y=getposOffset(obj, "top")
dropmenuobj.style.left=dropmenuobj.x-clearbrowseredge(obj, "rightedge")+"px"
dropmenuobj.style.top=dropmenuobj.y-clearbrowseredge(obj, "bottomedge")+obj.offsetHeight+"px"
}

return clickreturnvalue()
}

function clickreturnvalue(){
if (ie4||ns6) return false
else return true
}

function contains_ns6(a, b) {
while (b.parentNode)
if ((b = b.parentNode) == a)
return true;
return false;
}

function dynamichide(e){
if (ie4&&!dropmenuobj.contains(e.toElement))
delayhidemenu()
else if (ns6&&e.currentTarget!= e.relatedTarget&& !contains_ns6(e.currentTarget, e.relatedTarget))
delayhidemenu()
}

function hidemenu(e){
if (typeof dropmenuobj!="undefined"){
if (ie4||ns6)
dropmenuobj.style.visibility="hidden"
}
}

function delayhidemenu(){
if (ie4||ns6)
delayhide=setTimeout("hidemenu()",disappeardelay)
}

function clearhidemenu(){
if (typeof delayhide!="undefined")
clearTimeout(delayhide)
}

if (hidemenu_onclick=="yes")
document.onclick=hidemenu