function popImage(img, str){
		var width = 640;
		var height = 550;
		var posX = (screen.availWidth/2) - (width/2);
		var posY = (screen.availHeight/2) - (height/2);
		var tempUrl = './popImage.php?id=' + img + '&str=' + str;
		popUpWindow(tempUrl, posX, posY, width, height);
	}
	
	var popUpWin=0;
	function popUpWindow(URLStr, left, top, width, height)
	{
	  if(popUpWin)
	  {
		if(!popUpWin.closed) popUpWin.close();
	  }
	  popUpWin = open(URLStr, 'popUpWin', 'toolbar=no,location=no,directories=no,status=no,menub ar=no,scrollbar=no,resizable=no,copyhistory=yes,width='+width+',height='+height+',left='+left+', top='+top+',screenX='+left+',screenY='+top+'');
	}
	
	function popVideo(src, band){
		var width = 640;
		var height = 550;
		var posX = (screen.availWidth/2) - (width/2);
		var posY = (screen.availHeight/2) - (height/2);
		var tempUrl = './popVideo.php?src=' + src + '&pipe=' + band;
		popUpWindow(tempUrl, posX, posY, width, height);
	}