// display decision alert box
function decision(message, url){
    if(confirm(message)) location.href = url;
}

// open browser window
function openPopUp(url, windowName, w, h, scrollbar) {

           var winl = (screen.width - w) / 2;
           var wint = (screen.height - h) / 2;
           winprops = 'height='+h+',width='+w+',top='+wint+',left='+winl+',scrollbars='+scrollbar ;
           win = window.open(url, windowName, winprops);
           if (parseInt(navigator.appVersion) >= 4) { 
                win.window.focus(); 
           } 
}

function jumpMenu(target,object,restore){ 
  eval(target+".location='"+object.options[object.selectedIndex].value+"'");
  if (restore) object.selectedIndex=0;
}

function findObj(n, d) {
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function getImage(imageName)
{
        findObj('img').src = imageName;
}

function submitDoc(formName) { 
  var obj;
 
    if (obj=findObj(formName)!=null) 
    {
        findObj(formName).submit(); 
    }
    else 
    {
        alert('The form you are attempting to submit called \'' + formName + '\' couldn\'t be found. Please make sure the submitDoc function has the correct id and name.');
    }

}

function xstooltip_findPosX(obj) 
{
  var curleft = 0;
  if (obj.offsetParent) 
  {
    while (obj.offsetParent) 
        {
            curleft += obj.offsetLeft
            obj = obj.offsetParent;
        }
    }
    else if (obj.x)
        curleft += obj.x;
    return curleft;
}

function xstooltip_findPosY(obj) 
{
    var curtop = 0;
    if (obj.offsetParent) 
    {
        while (obj.offsetParent) 
        {
            curtop += obj.offsetTop
            obj = obj.offsetParent;
        }
    }
    else if (obj.y)
        curtop += obj.y;
    return curtop;
}

function xstooltip_show(tooltipId, parentId, posX, posY)
{
    it = document.getElementById(tooltipId);
    
    if ((it.style.top == '' || it.style.top == 0) 
        && (it.style.left == '' || it.style.left == 0))
    {
        // need to fixate default size (MSIE problem)
        it.style.width = it.offsetWidth + 'px';
        it.style.height = it.offsetHeight + 'px';
        
        img = document.getElementById(parentId); 
    
        // if tooltip is too wide, shift left to be within parent 
        if (posX + it.offsetWidth > img.offsetWidth) posX = img.offsetWidth - it.offsetWidth;
        if (posX < 0 ) posX = 0; 
        
        x = xstooltip_findPosX(img) + posX;
        y = xstooltip_findPosY(img) + posY;
        
        it.style.top = y + 'px';
        it.style.left = x + 'px';
    }
    
    it.style.visibility = 'visible'; 
}

function xstooltip_hide(id)
{
    it = document.getElementById(id); 
    it.style.visibility = 'hidden'; 
}