function getStyle(x, styleProp){
if(x.currentStyle){
var y=x.currentStyle[styleProp];
}
else if(window.getComputedStyle){
var y=document.defaultView.getComputedStyle(x, null).getPropertyValue(styleProp);
}
return y;
}
function ftnone(e, div_name){
var el=document.getElementById(div_name);
var display=el.style.display||getStyle(el, 'display');
el.style.display=(display=='none') ? 'block':'none';
ftnone.el=el;
if(e.stopPropagation) e.stopPropagation();
e.cancelBubble=true;
return false;
};