var isNN = (navigator.appName.indexOf("Netscape")!=-1);
function autoTab(input,len, e) {
	try {
		var keyCode = (isNN) ? e.which : e.keyCode; 
		var filter = (isNN) ? [0,8,9] : [0,8,9,16,17,18,37,38,39,40,46];
		if(input.value.length >= len && !containsElement(filter,keyCode)) {
			input.value = input.value.slice(0, len);
			input.form[(getIndex(input)+1) % input.form.length].focus();
		}
	}
	catch(err){}
}
function containsElement(arr, ele) {
	var found = false, index = 0;
	while(!found && index < arr.length) {
		if(arr[index] == ele) found = true;
		else index++;
	}
	return found;
}
function getIndex(input) {
	var index = -1, i = 0, found = false;
	while (i < input.form.length && index == -1) {
		if (input.form[i] == input)index = i;
		else i++;
	}
	return index;
}
function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}
function YY_checkform() { //v4.66
//copyright (c)1998,2002 Yaromat.com
  var args = YY_checkform.arguments; var myDot=true; var myV=''; var myErr='';var addErr=false;var myReq;
  for (var i=1; i<args.length;i=i+4){
    if (args[i+1].charAt(0)=='#'){myReq=true; args[i+1]=args[i+1].substring(1);}else{myReq=false}
    var myObj = MM_findObj(args[i].replace(/\[\d+\]/ig,""));
    myV=myObj.value;
    if (myObj.type=='text'||myObj.type=='password'||myObj.type=='hidden'){
      if (myReq&&myObj.value.length==0){addErr=true}
      if ((myV.length>0)&&(args[i+2]==1)){ //fromto
        var myMa=args[i+1].split('_');if(isNaN(myV)||myV<myMa[0]/1||myV > myMa[1]/1){addErr=true}
      } else if ((myV.length>0)&&(args[i+2]==2)){
          var rx=new RegExp("^[\\w\._=-]+@[\\w\\._-]+\\.[a-zA-Z]{2,4}$");if(!rx.test(myV))addErr=true;
      } else if ((myV.length>0)&&(args[i+2]==3)){ // date
        var myMa=args[i+1].split("#"); var myAt=myV.match(myMa[0]);
        if(myAt){
          var myD=(myAt[myMa[1]])?myAt[myMa[1]]:1; var myM=myAt[myMa[2]]-1; var myY=myAt[myMa[3]];
          var myDate=new Date(myY,myM,myD);
          if(myDate.getFullYear()!=myY||myDate.getDate()!=myD||myDate.getMonth()!=myM){addErr=true};
        }else{addErr=true}
      } else if ((myV.length>0)&&(args[i+2]==4)){ // time
        var myMa=args[i+1].split("#"); var myAt=myV.match(myMa[0]);if(!myAt){addErr=true}
      } else if (myV.length>0&&args[i+2]==5){ // check this 2
            var myObj1 = MM_findObj(args[i+1].replace(/\[\d+\]/ig,""));
            if(myObj1.length)myObj1=myObj1[args[i+1].replace(/(.*\[)|(\].*)/ig,"")];
            if(!myObj1.checked){addErr=true}
      } else if (myV.length>0&&args[i+2]==6){ // the same
            var myObj1 = MM_findObj(args[i+1]);
            if(myV!=myObj1.value){addErr=true}
      }
    } else
    if (!myObj.type&&myObj.length>0&&myObj[0].type=='radio'){
          var myTest = args[i].match(/(.*)\[(\d+)\].*/i);
          var myObj1=(myObj.length>1)?myObj[myTest[2]]:myObj;
      if (args[i+2]==1&&myObj1&&myObj1.checked&&MM_findObj(args[i+1]).value.length/1==0){addErr=true}
      if (args[i+2]==2){
        var myDot=false;
        for(var j=0;j<myObj.length;j++){myDot=myDot||myObj[j].checked}
        if(!myDot){myErr+='* ' +args[i+3]+'\n'}
      }
    } else if (myObj.type=='checkbox'){
      if(args[i+2]==1&&myObj.checked==false){addErr=true}
      if(args[i+2]==2&&myObj.checked&&MM_findObj(args[i+1]).value.length/1==0){addErr=true}
    } else if (myObj.type=='select-one'||myObj.type=='select-multiple'){
      if(args[i+2]==1&&myObj.selectedIndex/1==0){addErr=true}
    }else if (myObj.type=='textarea'){
      if(myV.length<args[i+1]){addErr=true}
    }
    if (addErr){myErr+='* '+args[i+3]+'\n'; addErr=false}
  }
  if (myErr!=''){alert('The required information is incomplete or contains errors:\t\t\t\t\t\n\n'+myErr)}
  document.MM_returnValue = (myErr=='');
}
function VerifyIntEntry(evt) { 
 evt = (evt)? evt : window.event;
 var charCode = (evt.which) ? evt.which : evt.keyCode;
 // Allow backspace, digits, arrow keys, home, end, delete 
 if (charCode!= 8 && charCode > 31 && (charCode < 48 || charCode > 57) && !(charCode >= 35 && charCode <= 40 || charCode == 46)) { 
   alert("Numbers only please!");
   return false;
 } 
 return true; 
}
function isDate(dateStr) {
	var datePat = /^(\d{1,2})(\/|-)(\d{1,2})(\/|-)(\d{4})$/;
	var matchArray = dateStr.match(datePat);
	if (matchArray == null) return false;
	// parse date into variables
	month = matchArray[1]; day = matchArray[3]; year = matchArray[5];
	if (month < 1 || month > 12) return false; // check month range
	if (day < 1 || day > 31) return false;
	if ((month==4 || month==6 || month==9 || month==11) && day==31) return false;
	if (month == 2) { // check for february 29th
		var isleap = (year % 4 == 0 && (year % 100 != 0 || year % 400 == 0));
		if (day > 29 || (day==29 && !isleap)) return false;
	}
	return true;  // date is valid
}