function selector_go(myobj,target) {	
	var newLink = '';
	var args = document.location.href.split('&');
	
	for (var i=0;i<args.length;i++)
	{
		var pair = args[i].split('=');
		name = unescape(pair[0]);
		if((name != 'e') && (name != 'qu') && (name != 'presentation') && (name != 'list') && (name != 'id')){
			if (i > 0)
				newLink += '&';
			newLink += pair[0] + '=' + pair[1];
		}
	}
	
	SetCookie ("navigation","");
	
	if (typeof(myobj) == 'object')
		document.location= newLink + "&e=" + myobj[myobj.selectedIndex].value;	
	else
		document.location= newLink + "&e=" + myobj;
		
}

//================================================================================================

function SetCookie(sName, sValue)
{
  document.cookie = sName + "=" + encodeURI(sValue);
}