JObj预览一个JS的框架_js面向对象

代码如下:
JObj.Dom.$tag("INPUT")
.$filter(function(o){
var fa = o.parentNode.parentNode.parentNode;
return f =(o.type == "text" && fa.id == "hollerNew") ? true : false;
})
.$css({width:"570px",height:"18px",lineHeight:"18px"})
.$attr({className:"hollerFormNormal"})
.$event({
onfocus:"vControl('TEXTFOCUS',this)",
onblur:"vControl('TEXTBLUR',this)"
})
.$tag("TEXTAREA")
.$css({width:"570px",height:"100px",lineHeight:"18px"})
.$attr({className:"hollerFormNormal"})
.$event({
onfocus:"vControl('TEXTFOCUS',this)",
onblur:"vControl('TEXTBLUR',this)"
})
.$(document.hollerNew)
.$event({
onsubmit:function(){
return JObj.FormValidate.$validate(this,rules);
}
});

JObj.Dom.$(window)
.$event({
onscroll:"vControl('FIXTOOLBAR')"
});

var vControl = function(pChoice){
var args = arguments;
switch(pChoice){
case "BACKER":
var backer = args[1];
var id = args[2];
break;
case "FLOWERS":
var id = args[1];
break;
case "EGGS":
var id = args[1];
break;
case "TEXTFOCUS":
args[1].className = "hollerFormFocus";
break;
case "TEXTBLUR":
args[1].className = "hollerFormNormal";
break;
case "SHOWTIP":
var o,t;
switch(args[3]){
case "FLOWER":
o = "hollerTip_flower_";
t = "鲜花 " + args[2] + " 朵，送他/她一朵，让她开花店！"
break;
case "EGG":
o = "hollerTip_egg_";
t = "鸡蛋 " + args[2] + " 枚，如果你怕不够孵小鸡，你在给他/她一枚！"
break;
default :
return;
}

JObj.Dom.$(o + args[1])
.$attr({innerHTML:t})
.$css({display:"",position:"relative"})
.$show("fast",
{width:0,height:0},
{width:400,height:18}
);
break;
case "HIDETIP":
var o;
switch(args[2]){
case "FLOWER": o = "hollerTip_flower_";break;
case "EGG": o = "hollerTip_egg_";break;
default : return;
}

JObj.Dom.$(o + args[1])
.$hide("fast");
break;
case "FIXTOOLBAR":
JObj.Dom.$("toolBar")
.$css({opacity:0.1,filter:"Alpha(Opacity=10)"})
.$moveToScrollTop("fast");
break;
}
}