function loaded() {
	externalLinks();
}
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";
	}
}
function nOver(x) {
	for(b = 0; b < x; b++) {
		document.getElementById('nav'+b).src = "images/nav"+b+"0.png";
	}
	document.getElementById('nav'+x).src = "images/nav"+x+"1.png";
}
function nOut(x) {
	for(b = 0; b < x; b++) {
		document.getElementById('nav'+b).src = "images/nav"+b+"0.png";
	}
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_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];}}
}
MM_preloadImages('images/nav01.png','images/nav11.png','images/nav21.png','images/nav31.png','images/nav41.png');


var vbDOMtype = '';
if (document.getElementById)
{
	vbDOMtype = "std";
}
else if (document.all)
{
	vbDOMtype = "ie4";
}
else if (document.layers)
{
	vbDOMtype = "ns4";
}
var vBobjects = new Array();
function fetch_object(idname, forcefetch)
{
	if (forcefetch || typeof(vBobjects[idname]) == "undefined")
	{
		switch (vbDOMtype)
		{
			case "std":
			{
				vBobjects[idname] = document.getElementById(idname);
			}
			break;

			case "ie4":
			{
				vBobjects[idname] = document.all[idname];
			}
			break;

			case "ns4":
			{
				vBobjects[idname] = document.layers[idname];
			}
			break;
		}
	}
	return vBobjects[idname];
}
function showSummaryNewsSection(itemNo,on) {
	var itemObj;
	itemObj		= "abstract" + itemNo;
	itemObject	= fetch_object(itemObj);

	if(on) {
		itemObject.style.display			= "block";
	}else{
		itemObject.style.display			= "none";

		if (intervalTime != 0) {
			window.clearInterval(intervalTime);
		}
	}
}

function setIntervalDelay(itemNo,on) {
	if (on) {
		intervalTime = window.setInterval("showSummaryNewsSection(" + itemNo + "," + on +")",300);
	} else {
		showSummaryNewsSection(itemNo,on);
	}
}