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},
//当单击链接时
activate: function(){
if (browser == 'Internet Explorer'){//判定为IE浏览器
this.getScroll();
this.prepareIE('100%', 'hidden');
this.setScroll(0,0);
this.hideSelects('hidden');//隐藏所有的<select>标记
}
//调用该类中的displayLightbox方法
this.displayLightbox("block");
},
prepareIE: function(height, overflow){
bod = document.getElementsByTagName('body')[0];
bod.style.height = height;
bod.style.overflow = overflow;
htm = document.getElementsByTagName('html')[0];
htm.style.height = height;
htm.style.overflow = overflow;
},
hideSelects: function(visibility){
selects = document.getElementsByTagName('select');
for(i = 0; i < selects.length; i ) {
selects[i].style.visibility = visibility;
}
},
getScroll: function(){
if (self.pageYOffset) {
this.yPos = self.pageYOffset;
} else if (document.documentElement && document.documentElement.scrollTop){
this.yPos = document.documentElement.scrollTop;
} else if (document.body) {
this.yPos = document.body.scrollTop;
}
},
setScroll: function(x, y){
window.scrollTo(x, y);
},
displayLightbox: function(display){
//将覆盖层显示
$('overlay').style.display = display;
//将高亮层显示
$('lightbox').style.display = display;
//假如不是隐藏状态,则调用该类中的loadInfo方法
if(display != 'none') this.loadInfo();
},
//该方法发送Ajax请求
loadInf function() {
//当请求完成后调用本类中processInfo方法
var myAjax = new Ajax.Request(
this.content,
{method: 'get', parameters: "", onComplete: this.processInfo.bindAsEvent Listener (this)}
);
},
// 将返回的文本信息显示到高亮层上
processInf function(response){
//获得返回的文本数据
var result = response.responseText;
//显示到高亮层
info = "<div id='lbContent'>" result "</div>";
//在info元素前插入一个元素
new Insertion.Before($('lbLoadMessage'), info)
//改变该元素的class name的值
$('lightbox').className = "done";
//调用本类中actions方法
this.actions();
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