// JScript File

function toggle(obj) {
	var el = document.getElementById(obj);
	el.style.display = (el.style.display != 'none' ? 'none' : '' );
	createCookie(obj, el.style.display);
}

function MultipleToggle(obj, obj2, obj3) {
	var el = document.getElementById(obj);
	el.style.display = (el.style.display != 'none' ? 'none' : '' );
	createCookie(obj, el.style.display);

	var el2 = document.getElementById(obj2);
	el2.style.display = 'none';
	createCookie(obj2, el2.style.display);

	var el3 = document.getElementById(obj3);
	el3.style.display = 'none';
	createCookie(obj3, el3.style.display);
}

function setVisibility(obj){
	var el = document.getElementById(obj);
	try {
        el.style.display = readCookie(obj);
    } catch (e) {
        // nothing
    }
}

function createCookie(name,value,days) {
	if (days) {
		var date = new Date();
		date.setTime(date.getTime()+(days*24*60*60*1000));
		var expires = "; expires="+date.toGMTString();
	}
	else var expires = "";
	document.cookie = name+"="+value+expires+"; path=/";
}

function readCookie(name) {
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');
	for(var i=0;i < ca.length;i++) {
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
	}
	return null;
}
function setLayerFromCookie(elName){
	var el = document.getElementById(elName);
	if(el){
		var display = readCookie(elName);
		if(display){
			el.style.display = display;
		}
	}
}