&& !(   /* disable for versions of iOS before version 4.3 (8F190) */

				(/ Mobile\/([1-7][a-z]|(8([abcde]|f(1[0-8]))))/i).test(navigator.userAgent)

				/* disable for the mercury iOS browser, or at least older versions of the webkit engine */

				|| (/AppleWebKit\/5([0-2]|3[0-2])/i).test(navigator.userAgent)

		)

)

/**

 * Partial Ajax Implementation

 * 

 * @param url: defines url to make partial request

 * @param container: defines id of container to input partial result

 * @param s_call: success callback function that takes o as arg

 *  o.tId

 *  o.status

 *  o.statusText

 *  o.getResponseHeader[ ]

 *  o.getAllResponseHeaders

 *  o.responseText

 *  o.responseXML

 *  o.argument

 * @param f_call: failure callback

 * @param args arguments 

 */

function ypjax(url,container,s_call,f_call,args){

	var method='GET';

	if(args===undefined){

		args=null;

	}

	// Set special header for partial ajax == HTTP_X_PARTIAL_XHR

	YUC.initHeader('X-PARTIAL-XHR',true);

	// wrapper of passed callback

	var s_wrapper = (function(o){

		return function(o){

			YUD.get(container).innerHTML=o.responseText;

			YUD.setStyle(container,'opacity','1.0');

    		//execute the given original callback

    		if (s_call !== undefined){

    			s_call(o);

    		}

		}

	})()	

	YUD.setStyle(container,'opacity','0.3');

	YUC.asyncRequest(method,url,{

		success:s_wrapper,

		failure:function(o){

		}

	},args);

}

/**

 * tooltip activate

 */

var tooltip_activate = function(){

    function toolTipsId(){

        var ids = [];

        var tts = YUQ('.tooltip');

        for (var i = 0; i < tts.length; i++) {

            // if element doesn't not have and id 

        	//  autogenerate one for tooltip 

            if (!tts[i].id){

                tts[i].id='tt'+((i*100)+tts.length);

            }

            ids.push(tts[i].id);

        }

        return ids

    };

    var myToolTips = new YAHOO.widget.Tooltip("tooltip", {

        context: [[toolTipsId()],"tl","bl",null,[0,5]],

        monitorresize:false,

        xyoffset :[0,0],

        autodismissdelay:300000,

        hidedelay:5,

        showdelay:20,

    });

}

/**

 * show more

 */

var show_more_event = function(){

    YUE.on(YUD.getElementsByClassName('show_more'),'click',function(e){

        var el = e.target;

        YUD.setStyle(YUD.get(el.id.substring(1)),'display','');

        YUD.setStyle(el.parentNode,'display','none');

    });

}