<script type="text/javascript"> function disableSelection(target){ if (typeof target.onselectstart!="undefined") //IE route target.onselectstart=function(){return false} else if (typeof target.style.MozUserSelect!="undefined") //Firefox route target.style.MozUserSelect="none" else //All other route (ie: Opera) target.onmousedown=function(){return false} target.style.cursor = "default" } //Sample usages //disableSelection(document.body) //Disable text selection on entire body //disableSelection(document.getElementById("mydiv")) //Disable text selection on element with id="mydiv" </script> <script type="text/javascript"> disableSelection(document.body) //disable text selection on entire body of page </script>