function Point(x,y) { this.x=x; this.y=y; }
var mLoc = new Point(0,0);
document.onmousemove = mouseMove;
function mouseMove(ev){
  ev  = ev || window.event;
  var mousePos = mouseCoords(ev);
  mLoc.x = mousePos.x;
  mLoc.y = mousePos.y;
}
function mouseCoords(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 getX(elm) {
	var x=0; while (elm) { x+=elm.offsetLeft; elm=elm.offsetParent; } return x;
}
function getY(elm) {
	var y=0; while (elm) { y+=elm.offsetTop;  elm=elm.offsetParent; } return y;
}
function showTipFollowMouse(div_id, txt){
	if (txt.match(/^\s*$/)) return;
	var tip=document.getElementById(div_id) || null;
	if (!tip) return;
	tip.innerHTML = txt; 
	tip.style.display = 'block';	
	var left = mLoc.x + 12;
	var top  = mLoc.y + 12;
	if (left+tip.offsetWidth >= document.body.offsetWidth) 
		left = left-tip.scrollWidth-20;
	if (left<0) left=1;	
	if (top+tip.offsetHeight >= document.body.offsetHeight+document.body.scrollTop) 
		top = top-tip.offsetHeight-20;
	if (top<0)  top=1;	
	if (!document.all) { 	//NS
	  tip.style.left =  left + 'px';
	  tip.style.top  =  top  + 'px';
    } else {				//IE
      tip.style.pixelLeft = left; 
	  tip.style.pixelTop  = top;
    }	
} 
function hideTip(id){
	var tip=document.getElementById(id) || null;
	if(tip) tip.style.display='none';
}
// arguments: tip, txt, object, offsetLeft, offsetTop
function showTipAtTop(){
	var tip = arguments[0] || null;
	var txt = arguments[1] || '';
	var obj = arguments[2] || null;
	var offsetLeft = arguments[3] || 0;
	var offsetTop  = arguments[4] || 0;	
	tip = (typeof tip == 'object') ? tip : document.getElementById(tip) || null;
	if (!tip) return;
	if (txt.match(/^\s*$/)) return;
	obj = (typeof obj == 'object') ? obj : document.getElementById(obj) || null;
	tip.innerHTML = txt; 	
	tip.style.display = 'block';
	var left = getX(obj) - offsetLeft;
	var top  = getY(obj) - tip.offsetHeight - offsetTop;
	if (left+tip.offsetWidth >= document.body.offsetWidth) 
		left = left-tip.offsetWidth+(obj.offsetWidth || 0);
	if (left<0) left=1;
	if (!document.all) { 	//NS
	  tip.style.left = left + 'px';
      tip.style.top  = top + 'px';
    } else {				//IE
      tip.style.pixelLeft = left;
      tip.style.pixelTop  = top;
    }	
} 
function showTipAtBottom(){
	var tip = arguments[0] || null;
	var txt = arguments[1] || '';
	var obj = arguments[2] || null;
	var offsetLeft = arguments[3] || 0;
	var offsetTop  = arguments[4] || 0;
	tip = (typeof tip == 'object') ? tip : document.getElementById(tip) || null;
	if (!tip) return;
	if (txt.match(/^\s*$/)) return;
	obj = (typeof obj == 'object') ? obj : document.getElementById(obj) || null;
	tip.innerHTML = txt; 
	tip.style.display = 'block';
	var left = getX(obj) + offsetLeft;
	var top  = getY(obj) + tip.offsetHeight + offsetTop;
	if (left+tip.offsetWidth >= document.body.offsetWidth) 
		left = left-tip.offsetWidth+(obj.offsetWidth || 0);
	if (left<0) left=1;	
	if (!document.all) { 	//NS
	  tip.style.left = left + 'px';
      tip.style.top  = top  + 'px';
    } else {				//IE
      tip.style.pixelLeft = left;
      tip.style.pixelTop  = top;
    }	
} 
function showLayerAtBottom(){
	var tip = arguments[0] || null;
	var obj = arguments[1] || null;
	var offsetLeft = arguments[2] || 0;
	var offsetTop  = arguments[3] || 0;
	tip = (typeof tip == 'object') ? tip : document.getElementById(tip) || null;
	if (!tip) return;
	obj = (typeof obj == 'object') ? obj : document.getElementById(obj) || null;
	tip.style.display = 'block';
	var left = getX(obj) + offsetLeft;
	var top  = getY(obj) + obj.offsetHeight + offsetTop;
	if (!document.all) { 	//NS
	  tip.style.left = left + 'px';
      tip.style.top  = top  + 'px';
    } else {				//IE
      tip.style.pixelLeft = left;
      tip.style.pixelTop  = top;
    }
} 
//var tipString = '<strong>访问<font color=#FF6800><SITE></font>后，请<font color=#ff6800>返回本页申请</font>，<BR>无需再注册、发布简历。</strong>';
var tipString = '<strong><span style="color:#FF6800;font-size:18px;">请返回本页申请</span><BR>在本站发布简历、毋须到其它网站再注册。</strong>';