/**
 * Created by JetBrains WebStorm.
 * User: xudaiquan
 * Date: 12-12-26
 * Time: 涓嬪崍6:56
 * To change this template use File | Settings | File Templates.
 */
/***
 * 关闭弹出框
 * shadowId 阴影层div的id
 * dialogId 弹出层div的id
 * */
function closeDialog(shadowId,dialogId){
	$('#'+shadowId).hide();
	$('#'+dialogId).hide();
}
/***
 * 打开弹出框
 * shadowId 阴影层div的id
 * dialogId 弹出层div的id
 * */
function openDialog(shadowId,dialogId){
	var theHeight =  $(document).height();
	var theWidth =  $(document).width();
	var obj = $('#'+dialogId);
	var screenWidth = $(window).width();
	var screenHeight = $(window).height();
    var scrolltop = $(document).scrollTop();
    var scrollLeft = $(document).scrollLeft();
    var objLeft = (screenWidth - obj.width()) / 2 + scrollLeft;
    var objTop = (screenHeight - obj.height()) / 2 + scrolltop;
    $('#'+shadowId).css('height',theHeight+scrolltop).css('width',theWidth+scrollLeft).show();
	$('#'+dialogId).css({'top':objTop,'left':objLeft}).show();
	 //浏览器窗口大小改变时
    $(window).resize(function() {
        screenWidth = $(window).width();
        screenHeight = $(window).height();
        scrolltop = $(document).scrollTop();
        objLeft = (screenWidth - obj.width()) / 2 + scrollLeft;
        objTop = (screenHeight - obj.height()) / 2 + scrolltop;
        $('#'+shadowId).css('height',theHeight+scrolltop);
    	$('#'+dialogId).css({'top':objTop,'left':objLeft});
    });
  //浏览器有滚动条时的操作
    $(window).scroll(function() {
        screenWidth = $(window).width();
        screenHeight = $(window).height();
        scrolltop = $(document).scrollTop();
        var scrollLeft = $(document).scrollLeft();
        objLeft = (screenWidth - obj.width()) / 2 + scrollLeft;
        objTop = (screenHeight - obj.height()) / 2 + scrolltop;
    	$('#'+dialogId).css({'top':objTop,'left':objLeft});
    });
}