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;
}

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);
}
function HideContent(d) {
  document.getElementById(d).style.display = "none";
}

function ShowContent(d) {
  document.getElementById(d).style.display = "block";
}

function ShowHideContent(d) {
  if(document.getElementById(d).style.display == "none") { document.getElementById(d).style.display = "block"; }
  else { document.getElementById(d).style.display = "none"; }
}

SwitchedContent.prototype.switchContent = function(new_tag) {
  if (new_tag != this.visible_tag) {
    els = document.getElementsByTagName("div");
    for(i=0;i<els.length;i++) if (els[i].id==this.visible_tag) els[i].style.display = "none";
  							  else if (els[i].id==new_tag) els[i].style.display = "block";
    this.visible_tag = new_tag;
  }
}			   

function SwitchedContent(default_tag) {
  this.visible_tag = default_tag;
}

function ShowSelectMenu(event,d) {
  dropmenuobj=document.getElementById(d);
  if (dropmenuobj.style.display != "block") {
	if (event.pageX) {
      dropmenuobj.style.left=event.pageX+"px";
      dropmenuobj.style.top=event.pageY+"px";
	} else {
      dropmenuobj.style.left=event.clientX + document.body.scrollLeft+"px";
      dropmenuobj.style.top=event.clientY + document.body.scrollTop+"px";
	}
    dropmenuobj.style.display="block";
	dropmenuobj.onmouseover=function(){if (this.delayhide!="undefined") clearTimeout(this.delayhide)}
	dropmenuobj.onmouseout=function(){this.delayhide=setTimeout("dropmenuobj.style.display='none'",250)}
  }
  else dropmenuobj.style.display="none";
  //alert(event.clientX+" "+event.clientY);
  //alert(dropmenuobj.style.display);
}