// JavaScript Document
var x,y;
document.onmousemove = mouseMove;
function _oo(){
	var o;
	if(!(o = document.getElementById('tag_box'))){
		o = document.createElement("div");
		o.className = 'tag_box';
		o.style.display = 'none';
		o.innerHTML = '通过兴旅订房热线预订酒店,入住后酒店即可获得相应的现金返还,住的多返的多,全国网络预订最低价格.';
		o.setAttribute('id','tag_box');
		document.body.appendChild(o);	
	}
	
	var xOffset = -100 ,yOffset = 20;
	
	o.style.display = '';

	o.style.left= (x*1 + xOffset*1+document.body.clientLeft)+'px';
	o.style.top = (y*1 + yOffset*1+getScrollTop()*1)+'px';


}
function _ov(){
	var o;
	if(o=document.getElementById('tag_box')){
		document.body.removeChild(o);
	}
}


function mousePosition(ev){
     if(ev.pageX || ev.pageY){
      return {x:ev.pageX, y:ev.pageY};
      }
      return {
       x:ev.clientX + document.body.scrollLeft - document.body.clientLeft,
       y:ev.clientY + document.body.scrollTop  - document.body.clientTop
       }; 
 } 

function mouseMove(ev){
    ev = ev || window.event;
    var mousePos = mousePosition(ev);
    x = mousePos.x;
 	y = mousePos.y;
} 

function getScrollTop() {    
    var scrollPos = 0;     
    if (typeof window.pageYOffset != 'undefined') {     
       scrollPos = window.pageYOffset;     
    }     
    else if (typeof window.document.compatMode != 'undefined' &&     
       window.document.compatMode != 'BackCompat') {     
       scrollPos = window.document.documentElement.scrollTop;     
    }     
    else if (typeof window.document.body != 'undefined') {     
       scrollPos = window.document.body.scrollTop;     
    }     
    return scrollPos;    
}