//alert(screen.availHeight);   //0 572    
//alert(screen.availWidth);    //0 800   
 
//   engtalk.style.top= screen.availHeight-parseInt(engtalk.style.height)-150; 

   if (screen.availWidth<=640) {
      tmpfloHeight=-160;
   } else if (screen.availWidth<=800) {
      tmpfloHeight=-160;
   } else if (screen.availWidth<=1024) {
      tmpfloHeight=-160;
   } else if (screen.availWidth<=1280) {
      tmpfloHeight=-160;
   } else {
      tmpfloHeight=-160;
   }
    
	self.onError=null;           
	currentX = 0;  currentY = 0;             
	whichIt = null;              
    lastScrollX = 0; // lastScrollY = -340;           
	NS = (document.layers) ? 1 : 0;           
	IE = (document.all) ? 1: 0;           
	           
   if(IE) {    
//      floater.style.left=screen.Width-210; //260    
//      alert(floater.style.left);    
      floater.style.top=0;    
      lastScrollY=tmpfloHeight;    //screen.Height-962;//-912    
//      alert(lastScrollY);    
   }       
          
	<!-- STALKER CODE -->           
function heartBeat() {           
   if(IE) { diffY = document.body.scrollTop; diffX = document.body.scrollLeft; }           
   if(NS) { diffY = self.pageYOffset; diffX = self.pageXOffset; }           
              
   if(diffY != lastScrollY) {           
      percent = .1 * (diffY - lastScrollY);           
      if(percent > 0)            
         percent = Math.ceil(percent);           
      else            
         percent = Math.floor(percent);           
      if(IE) document.all.floater.style.pixelTop += percent;           
      if(NS) { 
         document.floater.top += percent;  
      }    
      lastScrollY = lastScrollY + percent;           
   }    
   //window.status=lastScrollY;    
             
//   if(diffX != lastScrollX) {           
//      percent = .1 * (diffX - lastScrollX);           
//      if(percent > 0)            
//         percent = Math.ceil(percent);           
//      else            
//         percent = Math.floor(percent);           
//      if(IE) document.all.floater.style.pixelLeft += percent;           
//      if(NS) document.floater.left += percent;           
//      lastScrollX = lastScrollX + percent;           
//   }           
}	<!-- /STALKER CODE -->           
           
	<!-- DRAG DROP CODE -->           
function checkFocus(x,y) {            
   stalkerx = document.floater.pageX;           
   stalkery = document.floater.pageY;           
   stalkerwidth = document.floater.clip.width;           
   stalkerheight = document.floater.clip.height;           
   if( (x > stalkerx && x < (stalkerx+stalkerwidth)) && (y > stalkery && y < (stalkery+stalkerheight)))           
      return true;           
   else            
      return false;           
}           
	           
function grabIt(e) {           
		if(IE) {           
			whichIt = event.srcElement;           
			while (whichIt.id.indexOf("floater") == -1) {           
				whichIt = whichIt.parentElement;           
				if (whichIt == null) { return true; }           
		    }           
			whichIt.style.pixelLeft = whichIt.offsetLeft;           
		    whichIt.style.pixelTop = whichIt.offsetTop;           
			currentX = (event.clientX + document.body.scrollLeft);           
	   		currentY = (event.clientY + document.body.scrollTop); 	           
		} else {            
	        window.captureEvents(Event.MOUSEMOVE);           
	        if(checkFocus (e.pageX,e.pageY)) {            
	                whichIt = document.floater;           
	                StalkerTouchedX = e.pageX-document.floater.pageX;           
	                StalkerTouchedY = e.pageY-document.floater.pageY;           
	        } 		}           
	    return true;           
	}           
function moveIt(e) {           
   if (whichIt == null) { return false; }           
   if(IE) {           
      newX = (event.clientX + document.body.scrollLeft);           
      newY = (event.clientY + document.body.scrollTop);           
      distanceX = (newX - currentX);    distanceY = (newY - currentY);		    currentX = newX;    currentY = newY;           
      whichIt.style.pixelLeft += distanceX;		    whichIt.style.pixelTop += distanceY;           
      if(whichIt.style.pixelTop < document.body.scrollTop) whichIt.style.pixelTop = document.body.scrollTop;			if(whichIt.style.pixelLeft < document.body.scrollLeft) whichIt.style.pixelLeft = document.body.scrollLeft;           
      if(whichIt.style.pixelLeft > document.body.offsetWidth - document.body.scrollLeft - whichIt.style.pixelWidth - 20) whichIt.style.pixelLeft = document.body.offsetWidth - whichIt.style.pixelWidth - 20;           
      if(whichIt.style.pixelTop > document.body.offsetHeight + document.body.scrollTop - whichIt.style.pixelHeight - 5) whichIt.style.pixelTop = document.body.offsetHeight + document.body.scrollTop - whichIt.style.pixelHeight - 5;           
      event.returnValue = false;           
   } else {           
      whichIt.moveTo(e.pageX-StalkerTouchedX,e.pageY-StalkerTouchedY);           
      if(whichIt.left < 0+self.pageXOffset) whichIt.left = 0+self.pageXOffset;           
      if(whichIt.top < 0+self.pageYOffset) whichIt.top = 0+self.pageYOffset;           
      if( (whichIt.left + whichIt.clip.width) >= (window.innerWidth+self.pageXOffset-17)) whichIt.left = ((window.innerWidth+self.pageXOffset)-whichIt.clip.width)-17;           
      if( (whichIt.top + whichIt.clip.height) >= (window.innerHeight+self.pageYOffset-17)) whichIt.top = ((window.innerHeight+self.pageYOffset)-whichIt.clip.height)-17;           
      return false;           
   }           
   return false;           
}           
              
function dropIt() {           
   whichIt = null;           
   if(NS) window.releaseEvents (Event.MOUSEMOVE);           
   return true;           
}	<!-- DRAG DROP CODE -->           
           
if(NS) {           
   window.captureEvents(Event.MOUSEUP|Event.MOUSEDOWN);           
   window.onmousedown = grabIt;           
   window.onmousemove = moveIt;           
   window.onmouseup = dropIt;           
}           
           
if(IE) {           
   document.onmousedown = grabIt;           
   document.onmousemove = moveIt;           
   document.onmouseup = dropIt;           
}           
           
if(NS || IE) action = window.setInterval("heartBeat()",1);