// nothing
function nothing() {}

//image swap
function imgswap(img,ref){
  if (document.images) {
        document.images[img].src = ref;
  }
}    

//generic open window
function openWindow(url, name){
	popupWin = window.open(url, name, "width=400,height=500,resizable=no,scrollbars=yes,toolbar=no");
}

//pulldown menu on+off
function pullMenu(num) {
	if (useCSS=="1") {
		for(i=1; i<=6; i++) { 
			document.getElementById('menu'+i).style.background = "#0b4526";
			document.getElementById('under'+i).style.background = "#8799a5";
			document.getElementById('pull'+i).style.display = "none"; 
		}
		if (num>0) { 
			document.getElementById('menu'+num).style.background = "#c6ab1b";
			document.getElementById('under'+num).style.background = "#e2d58d";
			document.getElementById('pull'+num).style.display = ""; 
		}
	}
}

//keyword rollover if css supported
function keywordrollover(link,word) {
	if (useCSS=="1") {
		var c = getAnchorPosition(link); var moveY = c.y+"px";
		var d = getAnchorPosition('leftAlign'); var moveX = d.x+"px";
		for(i=0; i<keywordArray.length; i++) { document.getElementById('keyword'+keywordArray[i]).style.display = "none"; }
		if (word!="") { 
			document.getElementById("allkeywords").style.top = moveY;
			document.getElementById("allkeywords").style.left = moveX;
			document.getElementById('keyword'+word).style.display = "";
		}
	}
}