function PageLoad() {
  init_atrsc()
  selChange();
}
function init_atrsc() {
  for(i=document.forms["atrsf"].Sitem2.length-1;i>=0;i--)
  	document.forms["atrsf"].Sitem2.options[i] = null;
  for(i=0;i<Continent_sc.length;i++) {
  	document.forms["atrsf"].Sitem2.options[i] = Continent_sc[i];
  }
  findex = document.forms["atrsf"].Sitem2.selectedIndex;
  for(i=document.forms["atrsf"].Sitem3.length-1;i>=0;i--)
  	document.forms["atrsf"].Sitem3.options[i] = null;
  for(i=0;i<Country_sc[findex].length;i++) {
  	document.forms["atrsf"].Sitem3.options[i] = Country_sc[findex][i];
  }
  document.forms["atrsf"].Sitem3.options[0].selected = true;
  findex1 = document.forms["atrsf"].Sitem3.selectedIndex;
  for(i=document.forms["atrsf"].Sitem4.length-1;i>=0;i--)
  	document.forms["atrsf"].Sitem4.options[i] = null;
  for(i=0;i<City_sc[findex][findex1].length;i++) {
  	document.forms["atrsf"].Sitem4.options[i] = City_sc[findex][findex1][i];
  }
  document.forms["atrsf"].Sitem4.options[0].selected = true;
}
function Sitem2Change()
{
  oi=document.forms["atrsf"].Sitem2.selectedIndex;
  for(i=document.forms["atrsf"].Sitem3.length-1;i>=0;i--)
    document.forms["atrsf"].Sitem3.options[i] = null;
  for(cx=0;cx<Country_sc[oi].length;cx++) {
    document.forms["atrsf"].Sitem3.options[cx]= Country_sc[oi][cx];
  }
  document.forms["atrsf"].Sitem3.options[0].selected=true;
  findex1 = document.forms["atrsf"].Sitem3.selectedIndex;
  for(i=document.forms["atrsf"].Sitem4.length-1;i>=0;i--)
    document.forms["atrsf"].Sitem4.options[i] = null;
  for(i=0;i<City_sc[findex][findex1].length;i++) {
    document.forms["atrsf"].Sitem4.options[i] = City_sc[oi][findex1][i];
  }
  document.forms["atrsf"].Sitem4.options[0].selected = true;
}
function Sitem3Change()
{
  fi=document.forms["atrsf"].Sitem2.selectedIndex;
  ri=document.forms["atrsf"].Sitem3.selectedIndex;
  for(i=document.forms["atrsf"].Sitem4.length-1;i>=0;i--)
    document.forms["atrsf"].Sitem4.options[i] = null;
  for(cx=0;cx<City_sc[fi][ri].length;cx++) {
    document.forms["atrsf"].Sitem4.options[cx]= City_sc[fi][ri][cx];
  }
  document.forms["atrsf"].Sitem4.options[0].selected = true;
}

function selChange(){

  init_atrsc();
  document.forms["airfrg"].Sitem5.value = 'R';
  document.forms["airfrg"].Sitem5.disabled=false;
  document.forms["airfrg"].Sitem2.disabled = false;
  document.forms["airfrg"].Sitem2.value=''
  document.forms["airfrg"].Sitem3.disabled= false;
  document.forms["airfrg"].Sitem3.value=''
  Sitem2Change();

}

function atrsfSend()
{
  var ro = document.forms["atrsf"].Sitem5.options[document.forms["atrsf"].Sitem5.selectedIndex].value ;
  var dest = document.forms["atrsf"].Sitem4.options[document.forms["atrsf"].Sitem4.selectedIndex].value;
  var country = document.forms["atrsf"].Sitem3.options[document.forms["atrsf"].Sitem3.selectedIndex].value;
  var dep = document.forms["atrsf"].Sitem1.options[document.forms["atrsf"].Sitem1.selectedIndex].value;
  
  var dtToday = (new Date()).valueOf();
  var oyatoday = (new Date()).valueOf()+31622400000;
  var endate = document.forms["atrsf"].ddate.value;
  var redate = document.forms["atrsf"].rdate.value;
  var mydate = (Date.parse(endate)).valueOf();
  var retdate = (Date.parse(redate)).valueOf();
  
    
       
if (country == '' || dest == ''){
    alert("Please select the destination!");
    return false;
} else if (endate == '') {
	alert("Please enter departure date!");
    return false;
} else if (mydate <= dtToday || mydate >= oyatoday) {
	alert("The departure date must be after Today and within one year!");
    	return false;
} else if (ro == 'R' && redate == '') {
	alert("Please enter reture date!");
    return false;
} else if (ro == 'R' && (retdate <= mydate || retdate >= oyatoday)){
	alert("The return date must be after departure date and within one year!");
    	return false;
} else {	
	
    document.forms["atrsf"].action = "atr/atrlist.php";
    document.forms["atrsf"].submit();
  }  
   
}