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
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