jQuery.each(jQuery.browser, function(i, val) {
 if(i=="msie" && jQuery.browser.version.substr(0,3)=="6.0")
     $(document).ready(function() {

    //These two functions add a class hover to the li so that you may enable a block display of the menu in CSS.

	$("#navigation #main-menu > .parent-link").mouseover(function(){
        $(this).addClass("hover");
    });

    $("#navigation #main-menu > .parent-link").mouseout(function(){
        $(this).removeClass("hover");
    });
			
});
});