var driftDialog3;
if(!driftDialog3)
{
	driftDialog3={};
}

driftDialog3.init=function(obj,showObj,maskColor)
{
	$("body").append("<div id=\"mask1\" style=\"z-index:200;position:absolute;background:"+maskColor+"\"></div>");
	
	$("#mask1").css("top",$(obj).position().top);
	$("#mask1").css("left",$(obj).position().left);
	$("#mask1").css("width",$(obj).width()+20);
	$("#mask1").css("height",$(obj).height()+20);
	$(showObj).css("position","absolute");
	$(showObj).css("top",($(document).height()-$(showObj).height())/2);
	$(showObj).css("left",($(document).width()-$(showObj).width())/2);
	$(showObj).css("z-index","210");
	
	$(showObj).draggable();
	
	driftDialog3.isInit=true;
	
}

/**
 * @author 吕靖
 * @param obj 需要依附的控件
 * @param showObj 所要显示层对象
 * @param maskColor 所要显示层对象
 * @param opacity 透明度 0到1之间的数字
 * 
 * */
driftDialog3.show=function(obj,showObj,maskColor,opacity)
{

	if(!driftDialog3.isInit)
	{
		driftDialog3.init(obj,showObj,maskColor);
	}

	
	$("#mask1").animate({opacity:opacity},0,function(){
		$(showObj).fadeIn("slow");
	
	}); 
	
	
}

driftDialog3.closeIt=function(showObj)
{
	$(showObj).fadeOut("slow",function(){
		$("#mask1").remove();
	});
	
	driftDialog3.isInit=false;
}