function wopen(theURL,winName,features) 
{ 
  window.open(theURL,winName,features);
}

function bookmarksite(title, url) { 
	if (document.all) 
		window.external.AddFavorite(url, title); 
	else if (window.sidebar) 
		window.sidebar.addPanel(title, url, "");
} 

function toggle_visibility(element, forprint) {
	// hide all
	element1 = MM_findObj('detailed_itinerary');
	element2 = MM_findObj('book');
	element3 = MM_findObj('customize');
	element4 = MM_findObj('download');
	element = MM_findObj(element);
	var tmp1 = element1.style;
	var tmp2 = element2.style;
	var tmp3 = element3.style;
	var tmp4 = element4.style;
	var tmp = element.style;
	
	if(element1 != element) {
		tmp1.display = 'none';
	}
	if(element2 != element) {
		tmp2.display = 'none';
	}
	if(element3 != element) {
		tmp3.display = 'none';
	}
	if(element4 != element) {
		tmp4.display = 'none';
	}
	
	if(tmp.display == 'block') {
		if(forprint != 'print') {
			tmp.display = 'none';
		}
	}  else {
		tmp.display = 'block';
	}
	
	if(forprint == 'print') {
		print();
	}
}
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;
}