IE4plus = (document.all) ? true : false;
NS4 = (document.layers) ? true : false;
function clickIE()
{
    return false;
}
function clickNS(e)
{
	if (e.which==2 || e.which==3) 
     {
       return false;
     }
}
if (!IE4plus) 
{
   document.captureEvents(Event.MOUSEDOWN || Event.MOUSEUP);
   document.onmousedown=clickNS;
   document.onmouseup= clickNS;
   document.oncontextmenu=clickIE; // For NS 6+
} 
else 
{
   document.onmouseup= clickIE;
   document.oncontextmenu=clickIE;
}


//Block Select-Copy-Paste from Webpage - by Blackbox Hosting
//Credit must stay intact for use
//function disabletext(e){
//return false
//}
//function reEnable(){
//return true
//}
//if the browser is IE4+
//document.onselectstart=new Function ("return false")
//if the browser is NS6
//if (window.sidebar){
//document.onmousedown=disabletext
//document.onclick=reEnable
//}