// JavaScript Document
//these will be reversed here because we just changed the visibility
//so when the object is showing, show the arrowOpen sign
function toggleSignal(obj, imagename) {
	if(document.layers) {
	}
	else if(imagename) {
		if(document.all) {
			if((document.all[imagename].src+'').indexOf("arrow-exp.gif") > 0)
				document.all[imagename].src = "/images/icons/arrowOpen-exp.gif";
			else
				document.all[imagename].src = "/images/icons/arrow-exp.gif";
		}
		else if (document.getElementById) {
			if((document.getElementById(imagename).src+'').indexOf("arrow-exp.gif") > 0)
				document.getElementById(imagename).src = "/images/icons/arrowOpen-exp.gif";
			else
				document.getElementById(imagename).src = "/images/icons/arrow-exp.gif";
		}
	}
}