// JavaScript Document
function setCookie(name, value, expires, path, domain, secure ) {
 var today = new Date();
 today.setTime(today.getTime());

 if (expires) {
  expires = expires * 1000 * 60 * 60 * 24;
 }

 var expires_date = new Date( today.getTime() + (expires) );
 document.cookie = name+'='+escape(value) +
 ((expires) ? ';expires='+expires_date.toGMTString() : '') + 
 ((path) ? ';path=' + path : '') +
 ((domain) ? ';domain=' + domain : '') +
 ((secure) ? ';secure' : '');
}
function deleteCookie(name,path,domain) {
 if(getCookie(name)) document.cookie = name + '=' +
   ((path) ? ';path=' + path : '') +
   ((domain) ? ';domain=' + domain : '') +
   ';expires=Thu, 01-Jan-1970 00:00:01 GMT';
}
function getCookie(name) {
 var start = document.cookie.indexOf( name + "=" );
 var len = start + name.length + 1;
 if ((!start) && (name != document.cookie.substring(0, name.length))) {
  return null;
 }
 if ( start == -1 ) return null;
 var end = document.cookie.indexOf( ';', len );
  if ( end == -1 ) end = document.cookie.length;
  return unescape( document.cookie.substring( len, end ) );
}
function showMenu(){
	if(document.layers)	   //NN4+
    {
       document.layers["menu"].visibility = "show";
	   if (window.innerWidth){
	   	document.layers["menu"].right = 0;
		document.layers["footer"].width = 580;
		document.layers["sippview"].style.display = "inline";
		document.layers["sippview"].style.cssFloat = "right";
		document.layers["sippview"].style.styleFloat = "right";
	   }
    }
    else if(document.getElementById)	  //gecko(NN6) + IE 5+
    {
        var obj = document.getElementById("menu");
        obj.style.visibility =  "visible";
		if (window.innerWidth<973 || document.body.offsetWidth<973){
			obj.style.right = 0;
			document.getElementById("footer").style.width = "580px";
			if (document.getElementById("sippview")){
				document.getElementById("sippview").style.display = "inline";
				document.getElementById("sippview").style.cssFloat = "right";
				document.getElementById("sippview").style.styleFloat = "right";
			}
		}
		document.getElementById("showMenu").innerHTML='<a href="javascript:;" onclick="hideMenu();" class="hide">Hide menu</a>';
    }
    else if(document.all)	// IE 4
    {
        document.all["menu"].style.visibility = "visible";
		if (document.body.offsetWidth<973){
			document.all["menu"].style.right = 0;
			document.all["footer"].style.width = 580;
			document.all["sippview"].style.display = "inline";
			document.all["sippview"].style.cssFloat = "right";
			document.all["sippview"].style.styleFloat = "right";
		}
    }
	deleteCookie("menu");
}
function hideMenu(){
	if(document.layers)	   //NN4+
    {
       document.layers["menu"].visibility = "hide";
	   document.layers["showMenu"].visibility = "show";
    }
    else if(document.getElementById)	  //gecko(NN6) + IE 5+
    {
        var obj = document.getElementById("menu");
        obj.style.visibility =  "hidden";
		document.getElementById("showMenu").innerHTML='<a href="javascript:;" onclick="showMenu();" class="show">Show menu</a>';
		document.getElementById("showMenu").style.visibility = 'visible'
    }
    else if(document.all)	// IE 4
    {
        document.all["menu"].style.visibility = "hidden";
		document.all["showMenu"].style.visibility = "visible";
    }
	setCookie("menu","true",1);

}