/* === process click on IMG === modified 24 June 2007  ========= */
var cmFlag=false;    // global 
//
 function img_clk(evt)                 
  {  evt=(evt)?evt:window.event
     var elem=(evt.target)?evt.target:((evt.srcElement)?evt.srcElement:null)
// separate images from other elements
   var tagN=elem.nodeName.toLowerCase()
    if(tagN!="img")
        { cmFlag=false;
           return true; }                      // terminates if not image
//
if(elem.id=="grafImg")
    { cmFlag=false;
      return true; }                          // graf image return ready to allow normal click on image 
//

// process right click if any
 if(cmFlag || navigator.appName.indexOf("Microsoft Internet Explorer")== -1 && evt.button==2)           //IE or NN6 and FFox
      {  evt.cancelBubble=true;
         alert("© Copyright Anne Russell  2007-2009" );
         cmFlag=false;
         return false;                      // return after displaying copyright notice
       } 
     cmFlag=false;
     return true;                            // return ready to allow normal click on image    
    } 
// ---------- end --------------------------------
 function contextM(evt)
      { cmFlag=true;
         img_clk(evt);    
         return false;     
      } 
// -------------------
 // INITIALISE ONCLICK EVENTS
document.oncontextmenu=contextM;
document.onclick=img_clk;