// ???
function clearTY(){
	//
	frmPotoDetails.taken_yF.value='';
  frmPotoDetails.taken_yT.value='';
	frmPotoDetails.submit();
}
// ???
function goTY(){
  // check for numeric
  F = frmPotoDetails.taken_yF.value;
  T = frmPotoDetails.taken_yT.value;
  //
  //if((F!='Any' && !isNumeric(F)) || (T!='Any' && !isNumeric(T))){
  if(!isNumeric(F) || !isNumeric(T)){
    alert('Year Taken is numeric data!');
  }else{
		frmPotoDetails.submit();
  }
}
// ???
function showDecades(c){	// 1800, 1900, 2000
	//
	frmPotoDetails.taken_yF.value = c;			//1800
  frmPotoDetails.taken_yT.value = c+99;		//1899
  setEnTY();
  //
  s = '';
	for(i=10; i>0; i--){
  	f = c+10*(i-1);
    t = c+10*i-1;
    if(inDecadeTyAr(f,t)){
			s+='<a class=mnA href="javascript:showYears('+f+')">'+f+' - '+t+'</a><br>';
    }else{
			s+='<span class=mnC>'+f+' - '+t+'</span><br>';
    }
  }
  //
  document.getElementById('decades').innerHTML = s;
  document.getElementById('years').innerHTML = '';
}
function inDecadeTyAr(f,t){
	// var tyAr=new Array(2007,1997,1987);
	for(k=0; k<tyAr.length; k++){
		if(f <= tyAr[k] && tyAr[k] <= t)return true;
	}
	return false;
}
// ???
function showYears(d){	// 1990
	//
	frmPotoDetails.taken_yF.value = d;			//1990
  frmPotoDetails.taken_yT.value = d+9;		//1999
  setEnTY();
  //
  s = '';
	for(i=10; i>0; i--) {
  	y=d+(i-1);
    if(inTyArYear(y)){
			s += '<a class=mnA href="javascript:setYear('+y+')">'+y+'</a><br>';
    }else{
			s += '<span class=mnC>'+y+'</span><br>';
    }
  }
  //
  document.getElementById('years').innerHTML = s;
}
function inTyArYear(y){
	// var tyAr=new Array(2007,1997,1987);
	for(k=0; k<tyAr.length; k++){
		if(tyAr[k] == y)return true;
	}
	return false;
}
// ???
function setYear(y){	// 1990
	//
	frmPotoDetails.taken_yF.value = y;			//1990
  frmPotoDetails.taken_yT.value = y;		//1990
  setEnTY();
}
//
function setEnTY(){
	//
  f = frmPotoDetails.taken_yF.value;
  t = frmPotoDetails.taken_yT.value
	//
	if(f=='' && t==''){
		frmPotoDetails.cmdCrTY.disabled = true;
  	frmPotoDetails.cmdGoTY.disabled = true;
		frmPotoDetails.cmdCrTY.className = 'cmd2d';
    frmPotoDetails.cmdGoTY.className = 'cmd2d';
  }else{
		frmPotoDetails.cmdCrTY.disabled = false;
  	frmPotoDetails.cmdGoTY.disabled = false;
		frmPotoDetails.cmdCrTY.className = 'cmd2';
    frmPotoDetails.cmdGoTY.className = 'cmd2';
  }
}