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 swap (_imgId,_category,_value,_page) {
	var SECTIONS = new Array("projects","art","web_design","graphic_design","organizations");
	var ICON_COUNT = new Array();
	var newSection = "art";
	var newValue = 1;
	
	ICON_COUNT[SECTIONS[0]] = 3;
	ICON_COUNT[SECTIONS[1]] = 22;
	ICON_COUNT[SECTIONS[2]] = 5;
	ICON_COUNT[SECTIONS[3]] = 5;
	ICON_COUNT[SECTIONS[4]] = 5;
	
	
	if ( _page == 'home' ) { newSection = SECTIONS[ Math.floor( Math.random()*(SECTIONS.length-1) ) ]; }
	else { newSection = _page; }
	newValue = Math.floor( Math.random()*(ICON_COUNT[newSection]) )+1;
	
	

	var img = document.getElementById(_imgId);
	img.src = "_images/icons/"+newSection+newValue+".jpg";
}

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];}}
}

function swapImg(_target,_new_path) {
	document.getElementById(_target).src = _new_path;
}

function setPopupHTML(_target,_string) {
	document.getElementById(_target).innerHTML = _string;
}