//鼠标中建
var Img = document.getElementById("MapControl1_Image");
if(Img != null)
{
Img.attachEvent('onmousewheel', GetMouseWheelEvent);
};
//等待画面
function CompleteTheUpdate()
{
finishProcessingMap();
}
var mapimage = FindElement("MapControl1_Image");			
if (mapimage != null)
{
	mapimage.onload = CompleteTheUpdate; 
};