function setToolAction(evt){

 var evt = (evt) ? evt : ((window.event) ? event : null);

 var tool = document.getElementById('tool') ;
      // pan
 if(tool.value=='select' || tool.value=='pan'){
   document.getElementById('map_cmd').value='(zoom( x(' + getLongitude(evt.clientX) +') y('+ getLatitude(evt.clientY) + ') factor(1)))' ;

  }
	  //  zoom_in
 if(tool.value=='zoom_in' || tool.value=='zoomin'){
   document.getElementById('map_cmd').value='(zoom( x(' + getLongitude(evt.clientX) +') y('+ getLatitude(evt.clientY) + ') factor(-2)))' ;
 }
      // zoom_out
 if(tool.value=='zoom_out' || tool.value=='zoomout'){
   document.getElementById('map_cmd').value='(zoom( x(' + getLongitude(evt.clientX) +') y('+ getLatitude(evt.clientY) + ') factor(2)))' ;
 }

 if(tool.value=='editpoint' ){

      // do nothing at this time

 }


}