wmtt = null;

document.onmousemove = updateWMTT;

var ie5 = (document.getElementById && document.all); 
var ns6 = (document.getElementById && !document.all);
var ua = navigator.userAgent.toLowerCase();
var isapple = (ua.indexOf('applewebkit') != -1 ? 1 : 0);
var x_pos = "500";
var y_pos = "500";

function updateWMTT(e) {
	var iebody=(document.compatMode && 
          	document.compatMode != 'BackCompat') ? 
          		document.documentElement : document.body;
          pagex = (isapple == 1 ? 0:(ie5)?iebody.scrollLeft:window.pageXOffset);
          pagey = (isapple == 1 ? 0:(ie5)?iebody.scrollTop:window.pageYOffset);
          mousex = (ie5)?event.x:(ns6)?clientX = e.clientX:false;
          mousey = (ie5)?event.y:(ns6)?clientY = e.clientY:false;
			
		x_pos = (ie5)?(mousex+pagex+20):(mousex+20);
		y_pos = (ie5)?(mousey+pagey+20):(mousey+20);
}

function showWMTT(id) {
  
	if(wmtt != null) {
    hideWMTT(); 
  }
  wmtt = document.getElementById(id);
	wmtt.style.display = "block";
	wmtt.style.left = x_pos - 18 + 'px';
	wmtt.style.top 	= y_pos -  200 + 'px';
}

function hideWMTT() {
	wmtt.style.display = "none";
}