// portfolio effect - http://www.webmasterworld.com/forum91/441.htm
function showdiv(pass) {
var divs = document.getElementsByClassName('portfolio');

for(i=0; i<divs.length; i++){
	if(divs[i].id.match(pass)){//if they are 'see' divs
		if (document.getElementById) // DOM3 = IE5, NS6
			divs[i].style.visibility="visible";// show/hide
		else
			if (document.layers) // Netscape 4
				document.layers[divs[i]].display = 'visible';
			else // IE 4
				document.all.divs[i].visibility = 'visible';
		} else {
			if (document.getElementById)
				divs[i].style.visibility="hidden";
			else
				if (document.layers) // Netscape 4
					document.divs[i].visibility = 'hidden';
				else // IE 4
					document.all.divs[i].visibility = 'hidden';
			}
		}
}

//main accordion effect moo.fx - moofx.mad4milk.net
function init(){
	var stretchers = document.getElementsByClassName('stretcher');
	var toggles = document.getElementsByClassName('display');

	var myAccordion = new fx.Accordion(
		toggles, stretchers, {opacity: true, height:true, duration: 500}
	);
	
	var found = false;
	toggles.each(function(h3, i){
		var div = Element.find(h3, 'nextSibling');
		if (window.location.href.indexOf(h3.title) > 0) {
			myAccordion.showThisHideOpen(div);
			found = true;
		}
	});
	if (!found)
	myAccordion.showThisHideOpen(stretchers[0]);
}

//load default stylesheet
window.onload = function() {
	if (cookie=='null') setActiveStyleSheet('style_1');
}

// cycle through CSS - Uses setActiveStyleSheet() from http://www.alistapart.com/stories/alternate/
function cycle_css() {
	var cssFile = cookie;
	var NumOfStyles = 6

	if (cookie=="null") {
		setActiveStyleSheet('style_1');
	} else {
		var cssFile_Array = cssFile.split("_")
		
		cssFileNum = (parseFloat(cssFile_Array[1]))
		cssFileNum++
		
		if (cssFileNum == NumOfStyles) cssFileNum = 1;
		
		setActiveStyleSheet(cssFile_Array[0]+"_"+cssFileNum);
	}
//alert("This StyleSheet: "+cssFile_Array[0]+"_"+cssFileNum);
}

// http://archivist.incutio.com/viewlist/css-discuss/55916
function linksExternos() {
		if (!document.getElementsByTagName) return;
		var anchors = document.getElementsByTagName("a");
		for (var i=0; i<anchors.length; i++) {
				var anchor = anchors[i];
				anchor.tabindex = i;
				if (anchor.getAttribute("href") && 
anchor.getAttribute("rel") == "external")
						anchor.target = "_blank";
		}
}

//window.onload = linksExternos;