////////////////////////////////////////////////////////////////////////////////
/// instantiate an ajax object
function billboards()
{	
	/// browser-specific XMLHttpRequest initiation.
	var b = navigator.appName;
	/// everything but ie
	if(window.XMLHttpRequest) this.ajax = new XMLHttpRequest();
	/// ie
	else if(window.ActiveXObject) this.ajax   = new ActiveXObject("Microsoft.XMLHTTP");
}



////////////////////////////////////////////////////////////////////////////////
/// makes ajax request
billboards.prototype.logclick = function($id)
{
	this.ajax.open('get', "/widgets/billboards.php?logclick=" + $id);
	this.ajax.send('');
}