var cp=0;
var bio=0;
var ste =0;
var cl=0

function gotopage(docid,st){
  var bproceed = false;
//   alert(   st);
  if(st=='cp'){
      cp++;
      if (cp> 1)
      bproceed=true;
      bio=0;ste=0;cl=0;
  }
  if(st=='bio'){
      bio++;
      if (bio > 1)
      bproceed=true;
      cp=0;ste=0;cl=0;
  }
  if(st=='ste'){
      ste++;
      if (ste > 1)
      bproceed=true;
      bio=0;cp=0;cl=0;
  }
 if(st=='cl'){
        cl++;
        if (cl > 1)
        bproceed=true;
        bio=0;cp=0;ste=0;
  }

  if (bproceed)
      window.location='http://www.croplifeaustralia.org.au/default.asp?V_DOC_ID=' +docid
}



 function changebackground(idx){
                document.getElementById('tabheader'+idx).style.backgroundImage =  "url('/images/" +idx+"_hoover.gif')";
        }

function mouseout(idx){
	   if (idx==1)
	       document.getElementById('tabheader1').style.backgroundImage="url('/images/c_g.gif')";
	   else if (idx==2)
	       document.getElementById('tabheader2').style.backgroundImage="url('/images/c_r.gif')";
	   else if (idx==3)
	       document.getElementById('tabheader3').style.backgroundImage="url('/images/c_b.gif')";
	   else if (idx==4)
	       document.getElementById('tabheader4').style.backgroundImage="url('/images/c_y.gif')";
	   else if (idx==5)
	       document.getElementById('tabheader5').style.backgroundImage="url('/images/c_p.gif')";
}