function toggleNav(objID) {
if (!document.getElementById) return;

var ob = document.getElementById(objID).style;
ob.display = (ob.display == 'block')?'none': 'block';

var head = document.getElementById("header_" + objID)

if (ob.display == 'block')
head.innerHTML = head.innerHTML.replace("[+]","[-]")
else
head.innerHTML = head.innerHTML.replace("[-]","[+]")
}

function showMore(objID){
	var details = new Array();
	details[0] = "option1";
	details[1] = "option2";
	details[2] = "option3";
	details[3] = "option4";
	
	for (var i=0; i<details.length; i++) {
		if( objID == details[i]){
			document.getElementById(details[i]).style.display='block';

			if (navigator.appName == "Microsoft Internet Explorer") {
				document.getElementById(objID+"Link").className = objID+"LinkActive";
			} else {
				document.getElementById(objID+"Link").setAttribute("class", objID+"LinkActive");
			}
			
		} else {
			document.getElementById(details[i]).style.display='none';
			
			if (navigator.appName == "Microsoft Internet Explorer") {
				document.getElementById(details[i]+"Link").className = null;
			} else {
				document.getElementById(details[i]+"Link").setAttribute("class", null);
			}
		}
	}


}