// Cookie Functions
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 eraseCookie(name) {
	createCookie(name,"",-1);
}
// Toggle Functions
function toggleView(){ //usage toggleView('id1','id2','id3','id4','etc')
  var element;
  for (var i=0; i<=toggleView.arguments.length; i++) {
    element = document.getElementById(toggleView.arguments[i]);
       if(element == null) { continue };
    element.style.display=='' ?  element.style.display='none' : element.style.display='';
  }// end for
 }