function styledPopupClose(helpbox) {
  document.getElementById(helpbox).style.display = 'none';
}
function styledPopupOpen(helpbox) {
	document.getElementById(helpbox).style.display='block';
}

//mouse down on dragged DIV element  
function startdrag(t, e) {  
    if (e.preventDefault) e.preventDefault(); //line for IE compatibility  
    e.cancelBubble = true;  
    window.document.onmousemoveOld = window.document.onmousemove;  
    window.document.onmouseupOld = window.document.onmouseup;  
    window.document.onmousemove=dodrag;  
    window.document.onmouseup=stopdrag;  
    window.document.draged = t;  
    t.dragX = e.clientX;  
    t.dragY = e.clientY;  
    return false;  
}  
//move the DIV  
function dodrag(e) {  
      
    if (!e) e = event; //line for IE compatibility  
    t = window.document.draged;  
    t.style.left = (t.offsetLeft + e.clientX - t.dragX)+"px";  
    t.style.top = (t.offsetTop + e.clientY - t.dragY)+"px";  
    t.dragX = e.clientX;  
    t.dragY = e.clientY;  
    return false;  
}  
//restore event-handlers  
function stopdrag() {  
   window.document.onmousemove=window.document.onmousemoveOld;  
   window.document.onmouseup=window.document.onmouseupOld;  
}