(function(){	 
	var u=typeof ping_url=='string'?ping_url:(typeof ping_URL=='string'?ping_URL:window.location.href);	
	var w=(typeof WIDGET_WIDTH == 'string' || typeof WIDGET_WIDTH == 'number')?WIDGET_WIDTH:'250';
	var h=(typeof WIDGET_HEIGHT == 'string' || typeof WIDGET_HEIGHT == 'number')?WIDGET_HEIGHT:'200';
	var version=typeof XCHANGE_VERSION=='string'?XCHANGE_VERSION:'beta';
	var preview=typeof XCHANGE_PREVIEW=='boolean'?'&p=1':'';	
	var getparams 	= '';
	getparams  	+='&widget_width='+w;
	getparams  	+='&widget_height='+h;
	getparams	+= preview;	
	document.write("<iframe src='http://www.ping.bg/xchange/widget/widget.php?u="+
	escape(u).replace(/\+/g,'%2b')+
	(typeof PING_WIDGET=='string'?('&wg='+escape(PING_WIDGET)):'')+ '&v='+version+getparams+
	"' height='"+h+"' width='"+w+"' marginwidth='0' marginheight='0' hspace='0' vspace='0' frameborder='0' scrolling='no' allowtransparency='true'></iframe>");
}
)()