/* 
  ------------------------------------
  PVII Menu CSS Express Drop-Down Menu
  by Project Seven Development
  www.projectseven.com
  ------------------------------------
*/
function P7_ExpMenu(){ //v1.1.0.2 by PVII-www.projectseven.com
 if(navigator.appVersion.indexOf("MSIE")==-1){return;}
 var i,k,g,lg,r=/\s*p7hvr/,nn='',c,cs='p7hvr',bv='p7menubar';
 for(i=0;i<10;i++){g=document.getElementById(bv+nn);if(g){
 lg=g.getElementsByTagName("LI");if(lg){for(k=0;k<lg.length;k++){
 lg[k].onmouseover=function(){c=this.className;cl=(c)?c+' '+cs:cs;
 this.className=cl;};lg[k].onmouseout=function(){c=this.className;
 this.className=(c)?c.replace(r,''):'';};}}}nn=i+1;}
}


// --- from incasrcrips
// --- image swap functions:
function newImage(arg) {  
     if (document.images) {
          rslt = new Image();
          rslt.src = arg;
          return rslt;
     }
}

function changeImages() {
     if (document.images && (preloadFlag == true)) {
          for (var i=0; i<changeImages.arguments.length; i+=2) {
               document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
          }
     }
}

// --- image preloader function:
var preloadFlag = false;
function preloadImages() { 
	if (document.images) { 
		//top nav menu:
		homeon = newImage("images/top_nav/home_on.gif");
		whatsnewon = newImage("images/top_nav/whats_new_on.gif");
		ouradventureson = newImage("images/top_nav/our_adventures_on.gif");
		privateadventureson = newImage("images/top_nav/private_adventures_on.gif");
		familyadventureson = newImage("images/top_nav/family_adventures_on.gif");
		whyincaon = newImage("images/top_nav/why_inca_on.gif");
		aboutincaon = newImage("images/top_nav/about_inca_on.gif");
		alaskaon = newImage("images/top_nav/alaska_on.gif");
		antarcticaon = newImage("images/top_nav/antarctica_on.gif");
		galapagoson = newImage("images/top_nav/galapagos_on.gif");
		patagoniaon = newImage("images/top_nav/patagonia_on.gif");
		peruon = newImage("images/top_nav/peru_on.gif");
		turkeyon = newImage("images/top_nav/turkey_on.gif");
		preloadFlag = true;
	}
}

// Photo Gallery pages pop-ups:
function popup(theURL,winName,features) { //v2.0
  UL=window.open(theURL,winName,features)
  UL.moveTo(50,50);
}

//removing save image as from Photo Gallery windows:
function right(e) {
var msg = "Sorry, our images are copyrighted.";
if (navigator.appName == 'Netscape' && e.which == 3) {
alert(msg);
return false;
}
if (navigator.appName == 'Microsoft Internet Explorer' && event.button==2) {
alert(msg);
return false;
}
else return true;
}

function trap() 
  {
  if(document.images)
    {
    for(i=0;i<document.images.length;i++)
      {
      document.images[i].onmousedown = right;
      document.images[i].onmouseup = right;
      }
    }
  }