获取鼠标处对象的标签名称

获取鼠标处元素/对象的标签名称,

function mouseObj(e){	
//function to judement the object over the mouse	
	var evt=e||window.event;
	var objX = evt.srcElement || evt.target || evt;
	//alert(objX.tagName);
	if(objX.tagName){	
	alert('This position HTML Tag name : ' + objX.tagName);
	}else{
	alert('not HTML tag here');
	}		
}function mouseObj(e){	
//