// Script created by Matthew Worthey for SurveySA

var ie4 = ((navigator.appName == "Microsoft Internet Explorer") && (parseInt(navigator.appVersion) >= 4 ));

function expandText(which, start, finish, step, speed){
  if (ie4) {
    if (start <= finish){ 
      document.all(which).style.letterSpacing = start+"px";  
      start=start+step; 
      setTimeout("expandText('"+which+"',"+start+","+finish+","+step+","+speed+")",speed);
    }	
  }
}

function shrinkText(which, start, finish, step, speed){
  if (ie4) {
    if (start > finish){ 
      document.all(which).style.letterSpacing = start+"px";  
      start=start-step; 
      setTimeout("shrinkText('"+which+"',"+start+","+finish+","+step+","+speed+")",speed);
    }
    else return true;
  }
}

function accordian(which, curr, mid, finish, step, speed) {
   if (ie4) {      
      if(curr > mid) {
         document.all(which).style.letterSpacing = curr+"px";
         curr-=step;
         setTimeout("accordian('"+which+"',"+curr+","+mid+","+finish+","+step+","+speed+")",speed);
      }
      else if(curr <= finish - step) {
         document.all(which).style.letterSpacing = curr+"px";
         curr+=step;
         setTimeout("accordian('"+which+"',"+curr+","+finish+","+finish+","+step+","+speed+")",speed);
      }
      else { document.all(which).style.letterSpacing = finish+"px"; }
   }
}

function showCredits() {
   if (ie4) { window.open("credits.html",null,"height=520,width=350,scrollbars=yes"); }
   else { window.open("credits.html",null,"height=400,width=350,scrollbars=yes"); }

}