util = {
    obj: function(n, d){
        var p,i,x; if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length){
        d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
        if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
        for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
        if(!x && d.getElementById) x=d.getElementById(n); return x;
    },
    clear: function(obj, txt){
        if( obj.value && obj.value.toLowerCase() == txt.toLowerCase() )
            obj.value = '';
    },
    reset: function(obj, txt){
        if(obj.value.length == 0)
            obj.value = txt;
    },
    prevEle: '',
    toggleClass: function(id, classA, classB){
        var ele = util.obj(id);
        if(!ele) return;
        if(ele.className == classA){
            ele.className = classB;
            if(util.prevEle != '' && ele != util.prevEle) util.prevEle.className = classA;
        }else{
            ele.className = classA;
            if(util.prevEle != '' && ele != util.prevEle) util.prevEle.className = classB;
        }
        util.prevEle = ele;
    },
    show: function(eleId){
	    var obj = util.obj(eleId);
	    if (!obj) return;
	    obj.style.display = 'block';
    },
    hide: function(eleId){
	    var obj = util.obj(eleId);
	    if (!obj) return;
	    obj.style.display = 'none';
    },
    prevShown: '',
    showHide: function(eleId){
        if(util.prevShown != '')
            util.hide(util.prevShown);
        if(util.prevShown != eleId){
            util.prevShown = eleId;
            util.show(eleId);
        }else{
            util.prevShown = '';
        }
    }
}
$ = util.obj;

dotNet = {
    postbackOnEnter: function(event, objId){
        if( event && event.keyCode == 13 )
            __doPostBack(objId,'');
    }
}