// Adobe functions
function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}
function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}
function MM_findObj(n, d) { //v4.01
  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=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}
function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

// DETECT RESOLUTION TO DETERMINE POPUP SIZE
agent = navigator.userAgent;
if (parseInt(agent.substring(8,9)) > 3) {
if (screen.width >= 800) {
winwidth = 760;
winheight = 550;
} else {
winwidth = 620;
winheight = 420;
}
}
if (parseInt(agent.substring(8,9)) <= 3) {
winwidth = 620;
winheight = 420;
}

// CENTERED POPUP
function popup(url,name,width,height,resize,scroll) {
var dialogWin = new Object();
dialogWin.width = width;
dialogWin.height = height;
now = new Date();
var millis=now.getTime();
var mstr=""+millis;
if (navigator.appName == "Netscape") {
dialogWin.left = window.screenX + ((window.outerWidth - dialogWin.width) / 2);
dialogWin.top = window.screenY + ((window.outerHeight - dialogWin.height) / 2);
var attr = 'screenX=' + dialogWin.left + ',screenY=' + dialogWin.top + ',resizable=' + resize + ',width=' + dialogWin.width + ',height=' + dialogWin.height + ',scrollbars=' + scroll + ',menubar=no,location=no,toolbar=no,status=no,directories=no';
} else if (document.all) {
dialogWin.left = (screen.width - dialogWin.width) / 2;
dialogWin.top = (screen.height - dialogWin.height) / 2;
var attr = 'left=' + dialogWin.left + ',top=' + dialogWin.top + ',resizable=' + resize + ',width=' + dialogWin.width + ',height=' + dialogWin.height + ',scrollbars=' + scroll + ',menubar=no,location=no,toolbar=no,status=no,directories=no';
}
//ANTI-CACHING CODE
tienesp=false;
for (i=0; i<url.length; i++)
if (url.charAt(i)=='?')
tienesp=true;
if (tienesp)
nocach='&nocache='+mstr;
else
nocach='?nocache='+mstr;
window.open(url + nocach ,name,attr);
}

// JAVASCRIPT LISTENER EVENT
function addListener(element, type, expression, bubbling)
{
        bubbling = bubbling || false;
        if(window.addEventListener) { // Standard
                element.addEventListener(type, expression, bubbling);
        return true;
        } else if(window.attachEvent) { // IE
                element.attachEvent('on' + type, expression);
        return true;
        } else return false;
}

function correctPNG() // correctly handle PNG transparency in Win IE 5.5 & 6.
{
   var arVersion = navigator.appVersion.split("MSIE")
   var version = parseFloat(arVersion[1])
   if ((version >= 5.5 && version < 7) && (document.body.filters)) 
   {
      for(var i=0; i<document.images.length; i++)
      {
         var img = document.images[i]
         var imgName = img.src.toUpperCase()
         if (imgName.substring(imgName.length-3, imgName.length) == "PNG")
         {
            var imgID = (img.id) ? "id='" + img.id + "' " : ""
            var imgClass = (img.className) ? "class='" + img.className + "' " : ""
            var imgTitle = (img.title) ? "title='" + img.title + "' " : "title='" + img.alt + "' "
            var imgStyle = "display:inline-block;" + img.style.cssText 
            if (img.align == "left") imgStyle = "float:left;" + imgStyle
            if (img.align == "right") imgStyle = "float:right;" + imgStyle
            if (img.parentElement.href) imgStyle = "cursor:hand;" + imgStyle
            var strNewHTML = "<span " + imgID + imgClass + imgTitle
            + " style=\"" + "width:" + img.width + "px; height:" + img.height + "px;" + imgStyle + ";"
            + "filter:progid:DXImageTransform.Microsoft.AlphaImageLoader"
            + "(src=\'" + img.src + "\', sizingMethod='fit');\"></span>" 
            img.outerHTML = strNewHTML
            i = i-1
         }
      }
   }    
}

if (window.attachEvent)
window.attachEvent("onload", correctPNG);


var clear="imgs/clear.gif" //path to clear.gif

pngfix=function(){
var arVersion = navigator.appVersion.split("MSIE");var version = parseFloat(arVersion[1]);if ((version >= 5.5 && version < 7) && (document.body.filters)){
var els=document.getElementsByTagName('*');var ip=/\.png/i;var i=els.length;while(i-- >0){var el=els[i];var es=el.style;if(el.src&&el.src.match(ip)&&!es.filter){es.height=el.height;es.width=el.width;es.filter="progid:DXImageTransform.Microsoft.AlphaImageLoader(src='"+el.src+"',sizingMethod='crop')";el.src=clear;}else{var elb=el.currentStyle.backgroundImage;if(elb.match(ip)){var path=elb.split('"');var rep=(el.currentStyle.backgroundRepeat=='no-repeat')?'crop':'scale';es.filter="progid:DXImageTransform.Microsoft.AlphaImageLoader(src='"+path[1]+"',sizingMethod='"+rep+"')";es.height=el.clientHeight+'px';es.backgroundImage='none';var elkids=el.getElementsByTagName('*');if (elkids){var j=elkids.length;if(el.currentStyle.position!="absolute")es.position='static';while (j-- >0)if(!elkids[j].style.position)elkids[j].style.position="relative";}}}}}}

/*
if (window.attachEvent)
window.attachEvent('onload',pngfix);
*/

if (/msie/i.test (navigator.userAgent)) //only override IE
{
  document.nativeGetElementById = document.getElementById; 
  document.getElementById = function(id)
  {
    var elem = document.nativeGetElementById(id);
    if(elem)
    {
      //make sure that it is a valid match on id
      if(elem.attributes['id'].value == id)
      {
        return elem;
      }
      else
      {
        //otherwise find the correct element
        for(var i=1;i<document.all[id].length;i++)
        {
          if(document.all[id][i].attributes['id'].value == id)
          {
            return document.all[id][i];
          }
        }
      }
    }
    return null;
  }
}


//PRE-PAGE FUNCTIONALITY

function showScreen(goto,section){
	var bg_colors = new Array('#FFCF00','#4BEE00','#FF9716','#CDA0FF','#00E3C7');
	var bg_images = new Array('company.gif','product.gif','news.gif','contact.gif','careers.gif');
	
	if(document.getElementById('flashcontent')){
		document.getElementById('flashcontent').style.visibility='hidden';
		document.getElementById('flashcontent').style.display='none';
	}else{
		document.getElementById('wrapper').style.visibility='hidden';
		document.getElementById('wrapper').style.display='none';
	}
		
    document.getElementById('prepage').style.visibility='visible';
	document.getElementById('prepage').style.display='block';

	var imgpath = 'http://about.bloomberg.com/imgs/prepage/'+ bg_images[section];
	
	document.body.style.backgroundImage = 'url()';
	document.body.style.backgroundColor = bg_colors[section];
	document.getElementById('preimage').src = imgpath;
	
	setTimeout(function(){location.href = goto;},700);	
}
