  document.oncontextmenu = nocontextmenu;  document.onmousedown = right_click;  document.onmouseup= right_click_ease;  function nocontextmenu() { event.cancelBubble = true; event.returnValue = false; return false;}  function right_click(){  if(control_flag==2&&imageurl.length>=8)  {	if(event.button == 2  || event.button == 0 )     {				 		 		 	    if(right_click_ease==1)	    {	     }     }else if(event.button == 1 )	 {	  right_click_ease=0;	 }  }}function right_click_ease(){  if(event.button == 1 )right_click_ease=1;}