function copyText(src, dest)  {
	if (src.options[src.selectedIndex].value==0)
	{
		dest.value="";
	}
	else
	{
		dest.value = src.options[src.selectedIndex].value;
	}
}

function clear_date(b1, b2, b3)
{
    if (b1.value=='MM')
    {
        b1.value = "";
        b2.value = "";
        b3.value = "";
     }
}

function bmi(b1, b2, b3)
{
    var h=b1.value;
    var w=b2.value;
    if (w!="" && h!="")
    {
        var wvalue  = parseFloat(w)*0.45359237;
        var hvalue = parseFloat(h)* 0.0254;
        b3.value = Math.round(100 * wvalue/(hvalue*hvalue))/100;
    }
    
}

function leftpad(theItem, thePad, minSize) {
newItem = new String(theItem);
while (newItem.length < minSize) {
newItem = thePad + newItem;
}
return newItem;
}

function makesamplecode(b1, b2, b3, mm, dd, yy, subjid)
{
    if ((b1.selectedIndex>0) && (b2.selectedIndex>0) && (yy.value.length>=2))
    {
        var sampletype = b1.options[b1.selectedIndex].value;
        sampletype = sampletype.replace(/\w+\(/, "");
        sampletype = sampletype.replace(/\)/, "");       
        var sampleloc =  b2.options[b2.selectedIndex].value;
        sampleloc = sampleloc.replace(/\w+\(/, "");
        sampleloc = sampleloc.replace(/\)/, "");
        var datestr =  leftpad(mm.value, "0", 2) + leftpad(dd.value, "0", 2) 
        if (yy.value.length==2) 
        {datestr = datestr + yy.value;}
        else
        {datestr = datestr + yy.value.substring(2);}
        b3.value=leftpad(subjid.value, "0", 5) + "-" + datestr + "-" + sampletype + "-" + sampleloc;
    }
}

var disappeardelay=500  //menu disappear speed onMouseout (in miliseconds)
var enableanchorlink=0 //Enable or disable the anchor link when clicked on? (1=e, 0=d)
var hidemenu_onclick=1 //hide menu when user clicks within menu? (1=yes, 0=no)

/////No further editting needed

var ie5=document.all
var ns6=document.getElementById&&!document.all

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){
if (ie5||ns6)
dropmenuobj.style.left=dropmenuobj.style.top=-500
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=ie5 && !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=ie5 && !window.opera? iecompattest().scrollTop : window.pageYOffset
var windowedge=ie5 && !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 dropdownmenu(obj, e, dropmenuID){
if (window.event) event.cancelBubble=true
else if (e.stopPropagation) e.stopPropagation()
if (typeof dropmenuobj!="undefined") //hide previous menu
dropmenuobj.style.visibility="hidden"
clearhidemenu()
if (ie5||ns6){
obj.onmouseout=delayhidemenu
dropmenuobj=document.getElementById(dropmenuID)
if (hidemenu_onclick) dropmenuobj.onclick=function(){dropmenuobj.style.visibility='hidden'}
dropmenuobj.onmouseover=clearhidemenu
dropmenuobj.onmouseout=ie5? function(){ dynamichide(event)} : function(event){ dynamichide(event)}
showhide(dropmenuobj.style, e, "visible", "hidden")
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 ((ie5||ns6) && !enableanchorlink) 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 (ie5&&!dropmenuobj.contains(e.toElement))
delayhidemenu()
else if (ns6&&e.currentTarget!= e.relatedTarget&& !contains_ns6(e.currentTarget, e.relatedTarget))
delayhidemenu()
}

function delayhidemenu(){
delayhide=setTimeout("dropmenuobj.style.visibility='hidden'",disappeardelay);
//copdAlterAllSelects('visible');
}

function clearhidemenu(){
if (typeof delayhide!="undefined")
{
clearTimeout(delayhide)
//copdAlterAllSelects('hidden');
}
}
function copdAlterAllSelects(visibility)
{
 var allSelectObjs = document.getElementsByTagName('select');
 if(allSelectObjs)
 {
  for(var selectCounter = 0;selectCounter<allSelectObjs.length;selectCounter++)
  {
   var currentSelectObj = allSelectObjs.item(selectCounter);
   ////currentSelectObj.style.visibility=visibility;
  }
 }
}

function hideSelect(){
	if (document.getElementById("dropdownselect"))
document.getElementById("dropdownselect").style.display = 'none';

}
function showSelect(){
	if (document.getElementById("dropdownselect"))
document.getElementById("dropdownselect").style.display = 'block';
}