//------------------------// 
// book mark page         //
//------------------------//

var bookmarkUrl = window.location;
var bookmarkWho = 'immersive education:';
		
function makeFavourite(pagetitle) {
	bookmarkWho = bookmarkWho + ' ' +pagetitle;
	if (window.sidebar) { 
		// Mozilla Firefox Bookmark
		window.sidebar.addPanel(bookmarkWho,bookmarkUrl,"");
	} else if( window.external ) { 
		// IE Favorite
		window.external.AddFavorite(bookmarkUrl,bookmarkWho); 
	}	else if(window.opera && window.print) { 
		// Opera Hotlist
		return true; 
	}
}


//------------------------// 
// image rollover         //
//------------------------//


var isDHTML=0;
var isLayers=0;
var isAll=0;
var isID=0;
 
if (document.getElementById) {
	isID=1;
	isDHTML=1;
} else if (document.all) {
	isAll=1;
	isDHTML=1;
} else {
	browserVersion=parseInt(navigator.appVersion);
  if((navigator.appName.indexOf('Netscape') != -1) && (browserVersion == 4)) {
		isLayers=1;
		isDHTML=1;
	}
}

function findDOM(objectID) {
	if (isID) {
		return (document.getElementById(objectID));
	} else if (isAll) {
		return (document.all[objectID]);
	} else if (isLayers) {
		return (document.layers[objectID]);
	}
}

function changeimage(sMainImageRef,sImageSrc) {
	var sImageDirRoot="/images/";
	var oRef="";
	oRef=findDOM(sMainImageRef);
	oRef.src=sImageDirRoot + sImageSrc;
}


//------------------------// 
//   unhide links         //
//------------------------//

function swapDocument() {
	document.getElementById("hidebookmark").style.display = "inline";
	document.getElementById("hideprint").style.display = "inline";
//	document.getElementById("document").className = "hideDocument";
}