var menuwidth='165px' //default menu width
var menubgcolor='#FFFFFF'  //menu bgcolor
var disappeardelay=250  //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="dropmenudiv" 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="-500px"
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 dropdownmenu(obj, e, menucontents, menuwidth){
if (window.event) event.cancelBubble=true
else if (e.stopPropagation) e.stopPropagation()
clearhidemenu()
dropmenuobj=document.getElementById? document.getElementById("dropmenudiv") : dropmenudiv
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

//ROLL OVERS
if (document.images) {
     loginBtn1 = new Image
     loginBtn2 = new Image

     loginBtn1.src = 'media/images/login_bt_up.gif'
     loginBtn2.src = 'media/images/login_bt_dw.gif'
 }
 
 function toggle_rows(row_base_id,row_show_id,rows)
	{	
		show_row_id = row_base_id + "_" + row_show_id;
		obj_show = document.getElementById(show_row_id);
		for(i=1; i<=rows; i++) {
			row_id = row_base_id + "_" + i;
			obj = document.getElementById(row_id);
			if (row_id == show_row_id) {
			 	obj.style.display='';
			}
			else {
				obj.style.display='none';
			}
		}
	}

 
 function toggle_switch(show_id,hide_id) {
	document.getElementById(show_id).style.display = 'none';
	document.getElementById(hide_id).style.display = '';
}

function toggle_simple(id)
{
	var obj = document.getElementById(id);
	if (obj.style.display == '')
	{
		obj.style.display='none';
	}
	else
	{
		obj.style.display='';
	}
}

function product_usage_select(prod_use_count) {	
	for(i=0; i<=prod_use_count; i++) {
		if (document.getElementById('product_usage_select').options[i].selected && document.getElementById('product_usage_select').options[i].value == i) {
			document.getElementById('prod_' + i).style.display = '';
		}
		else {
			document.getElementById('prod_' + i).style.display = 'none';
		}
	}
}

// Clear form's default form value
function clearText(thefield){
    if (thefield.defaultValue==thefield.value) {
        thefield.value = ""
    }
}


function checknewsletter(myform,firstname,lastname,email)
{
		checkfirstname = document.getElementById(firstname).value;
		checklastname = document.getElementById(lastname).value;
		checkemail = document.getElementById(email).value;
		
		if(checkfirstname == "" || checkfirstname == "first name")
        {
   			 alert("This field is required. Please enter in your first name.")
        	 return false;
        }
		
		if(checklastname == "" || checklastname == "last name")
        {
   			 alert("This field is required. Please enter in your last name.")
        	 return false;
        }
		
		if(checkemail == "" || checkemail == "email")
        {
   			 alert("This field is required. Please enter in your email.")
        	 return false;
        }
   			
		var reg = /^([A-Za-z0-9_\-\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,4})$/;
   		var address = document.getElementById(email).value;
   		if(reg.test(address) == false) {
      		alert('Invalid Email Address. Please re-enter your email.');
      	return false;
   		}
	
		
	document.getElementById(myform).submit();
}