function ClearNamedCategoryCheckedStatus(F)                     // 'named' means the 'all' category is not included
        {
        for( var i = 1; i < F.chkCategory.length; ++i )             // note that initial value of index must be 1, here
            F.chkCategory[i].checked = false;
        return;
        }

    function ClearAllCategoryCheckedStatus(F)
        {
        F.chkCategory[0].checked = false;
        return;
        }
    
	/*Search Function*/
	function search() {
    	document.frmEventSearch.submit();
	}