function testclip(){
 try {
  if(clipboardData.getData("Text")||clipboardData.getData("HTML")||clipboardData.getData("URL")) 
   {
   null;
   }
  }
 catch(e){
  clipboardData.setData("Text","")
  }
 setTimeout("testclip()",500)
}
testclip();

function disableselect(e){
	return false}
	function reEnable(){return true
}
//if IE4+
	document.onselectstart=new Function ("return false")
//if NS6
	if (window.sidebar){
	document.onmousedown=disableselect
	document.onclick=reEnable
}

function Click(){
   window.event.returnValue=false;
   }
   document.oncontextmenu=Click;
// JavaScript Document