var mp1 = new Image; mp1.src = "../images/home.gif";
var mp2 = new Image; mp2.src = "../images/about.gif";
var mp3 = new Image; mp3.src = "../images/algarve.gif";
var mp4 = new Image; mp4.src = "../images/properties.gif";
var mp5 = new Image; mp5.src = "../images/contacts.gif";
var mp6 = new Image; mp6.src = "../images/links.gif";
var ma1 = new Image; ma1.src = "../images/homeB.gif";
var ma2 = new Image; ma2.src = "../images/aboutB.gif";
var ma3 = new Image; ma3.src = "../images/algarveB.gif";
var ma4 = new Image; ma4.src = "../images/propertiesB.gif";
var ma5 = new Image; ma5.src = "../images/contactsB.gif";
var ma6 = new Image; ma6.src = "../images/linksB.gif";

function frepimg(strName, objImage)
{
    document.images[strName].src = objImage.src;
}

function MM_jumpMenu(targ,selObj,restore)
{ 
  eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
  if (restore) selObj.selectedIndex=0;
}

function OverlayMove()
{
  var el = document.getElementById('overlay');
  if(el!=null)
  {
    if(typeof(document.media)=='string')
    {// only do this for ie
      var s;
      // scrolling offset calculation via www.quirksmode.org
      if (self.pageYOffset){
        s = self.pageYOffset;
      }else if (document.documentElement && document.documentElement.scrollTop) { 
        s = document.documentElement.scrollTop; 
      }else if (document.body) { 
        s = document.body.scrollTop; 
      }
      el.style.top= s+"px";
    }

    if(typeof(window.print)=='function')
    {// only do if not ie
      var x;
      // scrolling offset calculation via www.quirksmode.org
      if (self.pageXOffset){ 
        x = self.pageXOffset;
      }else if (document.documentElement && document.documentElement.scrollTop){ 
        x = document.documentElement.scrollLeft; 
      }else if (document.body) { 
        x = document.body.scrollLeft;
      }
      el.style.left = x + "px";
    }
  }

}

function confirm_delete()
{
  return confirm("Are you sure you want to delete this item?");
}