if (window.Event)
document.captureEvents(Event.MOUSEUP);
                                                               
function nocontextmenu() {
event.cancelBubble = true, event.returnValue = false;
                                                               
return false;
} 
                                                               
function norightclick(e) {
if (window.Event) {
if (e.which == 2 || e.which == 3) return false;
}
else if (event.button == 2 || event.button == 3) {
event.cancelBubble = true, event.returnValue = false;
return false;
}
}
                                                               
if (document.layers)
document.captureEvents(Event.MOUSEDOWN);
                                                               
document.oncontextmenu = nocontextmenu;
document.onmousedown = norightclick;
document.onmouseup = norightclick;

//form tags to omit:
var omitformtags=["input", "textarea", "select"]

function disableselect(e){
for (i = 0; i < omitformtags.length; i++)
if (omitformtags[i]==(e.target.tagName.toLowerCase()))
return;
return false
}

function reEnable(){
return true
}

function noSelect(){
if (typeof document.onselectstart!="undefined"){
document.onselectstart=new Function ("return false")
if (document.getElementsByTagName){
tags=document.getElementsByTagName('*')
for (j = 0; j < tags.length; j++){
for (i = 0; i < omitformtags.length; i++)
if (tags[j].tagName.toLowerCase()==omitformtags[i]){
tags[j].onselectstart=function(){
document.onselectstart=new Function ('return true')
}
tags[j].onmouseup=function(){
document.onselectstart=new Function ('return false')
}
}
}
}
}
else{
document.onmousedown=disableselect
document.onmouseup=reEnable
}
}

window.onload=noSelect;