// $Id: common.js,v 1.6 2006/02/06 02:13:33 lludwig Exp $
// Written by: Larry Ludwig (lludwig@empoweringmedia.com)

// begin image rotation scripts
function swapImgRestore() { 
  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 preloadImages() {
  var d=document; 
  if(d.images) { 
    if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=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 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=MM_findObj(n,d.layers[i].document);
  return x;
}

function swapImage() {
  var i,j=0,x,a=swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}
// end image rotation scripts

function disableForm(theform) {
  if (document.all || document.getElementById) {
    for (i = 0; i < theform.length; i++) {
      var tempobj = theform.elements[i];

      if (tempobj.type.toLowerCase() == "submit" || tempobj.type.toLowerCase() == "reset") tempobj.disabled = true;
    }
  }
}

function externalLinks() {
 if (!document.getElementsByTagName) return;
 var anchors = document.getElementsByTagName("a");
 for (var i=0; i<anchors.length; i++) {
   var anchor = anchors[i];
   if (anchor.getAttribute("href") &&
       anchor.getAttribute("rel") == "external")
     anchor.target = "_blank";
 }
}
window.onload = externalLinks;