/* Define the buttons image-source */

var Normal = new Array;
var Pointed = new Array;

for(i=1;i<=9;i++){
  Normal[i]=new Image()
}

for(i=1;i<=9;i++){
  Pointed[i]=new Image()
}

  Normal[1].src="pics/button/main_ecattProject.gif"
  Pointed[1].src="pics/button/main_ecattProject_sel.gif";

  Normal[2].src="pics/button/main_freport.gif";
  Pointed[2].src="pics/button/main_freport_sel.gif";

  Normal[3].src="pics/button/main_usa.gif";
  Pointed[3].src="pics/button/mein_usa_sel.gif";

  Normal[4].src="pics/button/main_statistics.gif";
  Pointed[4].src="pics/button/main_statistics_sel.gif";

  Normal[5].src="pics/button/main_caseStudies.gif";
  Pointed[5].src="pics/button/main_caseStudies_sel.gif";

  Normal[6].src="pics/button/main_countryReports.gif";
  Pointed[6].src="pics/button/main_countryReports_sel.gif";

  Normal[7].src="pics/button/main_news.gif";
  Pointed[7].src="pics/button/main_news_sel.gif";

  Normal[8].src="pics/button/main_link.gif";
  Pointed[8].src="pics/button/main_link_sel.gif";

  Normal[9].src="pics/button/main_contact.gif";
  Pointed[9].src="pics/button/main_contact_sel.gif";



var activated;

/*____________________________________button change_____________________________*/
/* this function will change the buttons appearence, if the mouse pointer is over it */


  function change(Bildnr,Bildobj)  {
  if (Bildobj!=activated)  window.document.images[Bildnr].src=Pointed[Bildobj].src;
  else window.document.images[Bildnr].src=Normal[Bildobj].src;
  }

  function rechange(Bildnr, Bildobj) {
  if (Bildobj!=activated) window.document.images[Bildnr].src=Normal[Bildobj].src;
  else window.document.images[Bildnr].src=Pointed[Bildobj].src;
  }


/*____________________________________button activate_____________________________*/
/* this function will reset all buttons to 'not-selected' and highlight the selected button*/



function Activate(Bildnr, Bildobj){
 if(activated==Bildobj) {
     activated=0;
     parent.frames[1].location.href = "content.htm";
 }
 else {
 activated=Bildobj;
   for( i=1; i <=9; i++) {                        /* reset all buttons to 'not-selected'*/
      Button=Normal[i];
      window.document.images[i].src=Button.src;
   }
 }
 parent.content.focus()
 return activated;
}