var ie = document.all;
var nn6 = document.getElementById &&! document.all;

var isdrag = false;
var x, y;
var dobj;

function setOpacity( value ) {
 document.getElementById("styled_popup").style.opacity = value / 10;
 document.getElementById("styled_popup").style.filter = 'alpha(opacity=' + value * 10 + ')';
}

function fadeInMyPopup() {
 for( var i = 0 ; i <= 100 ; i++ )
   setTimeout( 'setOpacity(' + (i / 10) + ')' , 8 * i );
}

function fadeOutMyPopup() {
 for( var i = 0 ; i <= 100 ; i++ ) {
   setTimeout( 'setOpacity(' + (10 - i / 10) + ')' , 8 * i );
 }

 setTimeout('closeMyPopup()', 800 );
}

function closeMyPopup() {
 document.getElementById("styled_popup").style.display = "none"
}

function movemouse( e ) {
 if( isdrag ) {
   dobj.style.left = nn6 ? tx + e.clientX - x : tx + event.clientX - x;
   dobj.style.top  = nn6 ? ty + e.clientY - y : ty + event.clientY - y;
   return false;
 }
}

function selectmouse( e ) {
 var fobj       = nn6 ? e.target : event.srcElement;
 var topelement = nn6 ?  HTML  :  BODY ;
 while (fobj.tagName != topelement && fobj.className !=  dragme ) {
   fobj = nn6 ? fobj.parentNode : fobj.parentElement;
 }

 if (fobj.className== dragme ) {
   isdrag = true;
   dobj = document.getElementById( styled_popup );
   tx = parseInt(dobj.style.left+0);
   ty = parseInt(dobj.style.top+0);
   x = nn6 ? e.clientX : event.clientX;
   y = nn6 ? e.clientY : event.clientY;
   document.onmousemove=movemouse;
   return false;
 }
}

function styledPopupClose() {
 document.getElementById( styled_popup ).style.display =  none ;
}

document.onmousedown=selectmouse;
document.onmouseup=new Function( isdrag=false );