/*Trim function*/
String.prototype.trim = function() 
{
	return this.replace(/^\s+|\s+$/g,"");
}


function isValidEmail(email)
{
	if(email.length!=0)
		return email.match(/\b(^(\S+@).+((\.com)|(\.info)|(\.net)|(\.edu)|(\.mil)|(\.gov)|(\.org)|(\..{2,2}))$)\b/gi);
	
	return false;

}
function setStyles(id,limit)
{
	for(i=1;i<=limit;i++)
	{
		document.getElementById('b'+i).style.color='white';
	}
	document.getElementById(id).style.color='#1c549e';
	limit= limit==12 ? 8 : 3;
	for(i=1;i<=limit;i++)
	{
			document.getElementById('head'+i).className='';
	}
	
	

}

function addCharacter(fieldId,char,positions)
{
	field = document.getElementById(fieldId);
	 for (var i in positions)
	 {
	 	if(field.value.length==positions[i])
		 	field.value=field.value+char;
	 } 

}


/**
 * DHTML date validation script. Courtesy of SmartWebby.com (http://www.smartwebby.com/dhtml/)
 */
// Declaring valid date character, minimum year and maximum year
var dtCh= "/";
var minYear=1900;
var maxYear=2100;

function isInteger(s){
	var i;
    for (i = 0; i < s.length; i++){   
        // Check that current character is number.
        var c = s.charAt(i);
        if (((c < "0") || (c > "9"))) return false;
    }
    // All characters are numbers.
    return true;
}

function stripCharsInBag(s, bag){
	var i;
    var returnString = "";
    // Search through string's characters one by one.
    // If character is not in bag, append to returnString.
    for (i = 0; i < s.length; i++){   
        var c = s.charAt(i);
        if (bag.indexOf(c) == -1) returnString += c;
    }
    return returnString;
}

function daysInFebruary (year){
	// February has 29 days in any year evenly divisible by four,
    // EXCEPT for centurial years which are not also divisible by 400.
    return (((year % 4 == 0) && ( (!(year % 100 == 0)) || (year % 400 == 0))) ? 29 : 28 );
}
function DaysArray(n) {
	for (var i = 1; i <= n; i++) {
		this[i] = 31
		if (i==4 || i==6 || i==9 || i==11) {this[i] = 30}
		if (i==2) {this[i] = 29}
   } 
   return this;
}

function isDate(dtStr){
	var daysInMonth = DaysArray(12)
	var pos1=dtStr.indexOf(dtCh)
	var pos2=dtStr.indexOf(dtCh,pos1+1)
	var strMonth=dtStr.substring(0,pos1)
	var strDay=dtStr.substring(pos1+1,pos2)
	var strYear=dtStr.substring(pos2+1)
	strYr=strYear
	if (strDay.charAt(0)=="0" && strDay.length>1) strDay=strDay.substring(1)
	if (strMonth.charAt(0)=="0" && strMonth.length>1) strMonth=strMonth.substring(1)
	for (var i = 1; i <= 3; i++) {
		if (strYr.charAt(0)=="0" && strYr.length>1) strYr=strYr.substring(1)
	}
	month=parseInt(strMonth)
	day=parseInt(strDay)
	year=parseInt(strYr)
	if (pos1==-1 || pos2==-1){
		return false
	}
	if (strMonth.length<1 || month<1 || month>12){
		
		return false
	}
	if (strDay.length<1 || day<1 || day>31 || (month==2 && day>daysInFebruary(year)) || day > daysInMonth[month]){
		return false
	}
	if (strYear.length != 4 || year==0 || year<minYear || year>maxYear){
		return false
	}
	if (dtStr.indexOf(dtCh,pos2+1)!=-1 || isInteger(stripCharsInBag(dtStr, dtCh))==false){
		return false
	}
return true
}

function ValidateDate(month,day,year){
	var dt=month.value+'/'+day.value+'/'+year.value;
	
	if (isDate(dt)==false){
		
		return false
	}
    return true
 }
 
 function setCitiesDDM(state)
 {
 	contenedor = document.getElementById('cities') ;
 	ajax=nuevoAjax();
	ajax.open("GET", 'php/common/cities.php'+'?st='+state, true);
	
	ajax.onreadystatechange=function() 
	{
		if (ajax.readyState==4) 
		{
			contenedor.style.display='block';
			contenedor.innerHTML = ajax.responseText
		}
		
		
	}
	 ajax.send(null);
 
 }
 
function valButton(btn) {
    var cnt = -1;
    for (var i=btn.length-1; i > -1; i--) {
    	
        if (btn[i].checked) {cnt = i; i = -1;}
    }
    if (cnt > -1) return btn[cnt].value;
    else return null;
}
 
function showSimpleDiv(container)
{
	document.getElementById(container).style.display='block';
}             

function hidediv(container)
{
	document.getElementById(container).style.display='none';
}       

function fillForm(form, params)
{
	 for (var i in params) 
	  { 
    	
    	var param = new String();
    	param = params[i].toString();
    	if(document.getElementById(i))
			document.getElementById(i).value=param;
		else
		{
			if(i== 'dmoreThanHalf')
				btn = form.dmoreThanHalf;
			else if(i == 'disDependentAStudent')
				btn = form.disDependentAStudent;
			else if(i=='dchildCare')	
			{
				btn = form.dchildCare;
				if(params[i] == 1)
				{
					document.getElementById('careInfoD').style.display='';
					document.getElementById('careInfoD2').style.display='';
				}	
			}	
			if(params[i] == 1)
					btn[0].checked=true;
			else	
					btn[1].checked=true;
			
		}		
	  } 

}

function validateExtension(input, msg1)
{
	var name = input.value.trim();
	pos = name.lastIndexOf(".");
	var extension = name.substr(pos);
	if(extension!= '.gif' && 
		extension!= '.jpeg' &&
		extension!= '.jpg' &&
		extension!= '.png' &&
		extension!= '.pdf' &&
		extension!= '.docx' &&
		extension!= '.doc'  &&
		extension!= '.xlsx' &&
		extension!= '.xls'
		)
		{
			alert(msg1);
			input.value='';
		}
	
}      
function addDocumentField(form,msg1)
{
	
	var num = parseInt(document.getElementById('numDocs').value);
	if(document.getElementById('document'+num).value !='')
	{
		newValue = num+1;
		if(num <5)
		{
			container = document.getElementById('moreDocs'+num);
			container.innerHTML = '<fieldset><label class="float" ><input name=document'+newValue+' id=document'+newValue+' type=file onkeydown="return false;"></label></fieldset><div id=moreDocs'+newValue+'></div>';
			 document.getElementById('numDocs').value=newValue;
		}	
	}
	else
	{
		alert(msg1);
		return false;
	}	
	  

}
function validateNumbers(event)
{
	var tecla = event.keyCode;
	
	if(tecla == 8 || tecla == 9)
		return true;
	else
	{	
		var character = String.fromCharCode(tecla);
		if(!isInteger(character))
		{
			if(tecla>=96 && tecla<=105)
				return true;
			else
				return false;	 
		}
		else
			return true;
	}		
}


function textCounter(input, limit)
{
	if(input.value.length > limit)
	{
		input.value = input.value.substring(0, limit);
	}
}

function validateCharacter(fieldId, type)
{
	field = document.getElementById(fieldId);
	
	if(type == 'NUM')
	{
		var regExp = /[-]*\d+$/;
		if(!field.value.trim().match(regExp))
		{
				field.value = field.value.substring(0, field.value.length-1);
		}
	}
}

function hideQDivs()
{
	divs = Array('r1','r2','r3','r4','r5','r6');
	
	for(var i=0; i<divs.length;i++)
	{
		document.getElementById(divs[i]).style.display='none';
	}

}

function selectUnselectAll(form)
{
	for (i=0; i < form.elements.length; i++)
	{
		
		form.elements[i].checked = !form.elements[i].checked;
			
	}
} 

function ValidarTJ(numero_tarjeta) {
 var cadena = numero_tarjeta.toString();
 var longitud = cadena.length;
 var cifra = null;
 var cifra_cad=null;
 var suma=0;
 if(cadena.charAt(0)=='3')
 	{
		for(var i=cadena.length-1; i >= 0; i--)
    		{
				if(i % 2!=0)
					{
			 		 if(parseInt(cadena.charAt(i))*2 > 9)
			 				suma = suma + ((parseInt(cadena.charAt(i))*2)-9);
			 		 else
							suma = suma +  (parseInt(cadena.charAt(i))*2);			
					}
				else
			 		suma = suma + parseInt(cadena.charAt(i));
			}			
		if((suma % 10) == 0)
			return true;
		else
	 		return false;	
	}
 else
	{	
 		for(var i=0; i < cadena.length; i++)
    		{
				if(i % 2==0)
					{
			 		 if(parseInt(cadena.charAt(i))*2 > 9)
			 				suma = suma + ((parseInt(cadena.charAt(i))*2)-9);
			 		 else
							suma = suma +  (parseInt(cadena.charAt(i))*2);			
					}
				else
			 		suma = suma + parseInt(cadena.charAt(i));
			}
		if((suma % 10) == 0)
			return true;
		else
	 		return false;	
	}
	//alert(suma);
 
 /*for (var i=0; i < longitud; i+=2){
   cifra = parseInt(cadena.charAt(i))*2;
   if (cifra > 9){ 
     cifra_cad = cifra.toString();
     cifra = parseInt(cifra_cad.charAt(0)) + 
parseInt(cifra_cad.charAt(1));
   }
   suma+=cifra;
 }
 for (var i=1; i < longitud; i+=2){
   suma += parseInt(cadena.charAt(i));
 }
	
 if ((suma % 10) == 0){ 
	return true;
 } else {
  return false;
 }*/
}


function checkABA(s) {

  var i, n, t;

  // First, remove any non-numeric characters.

  t = "";
  for (i = 0; i < s.length; i++) {
    c = parseInt(s.charAt(i), 10);
    if (c >= 0 && c <= 9)
      t = t + c;
  }

  // Check the length, it should be nine digits.

  if (t.length != 9)
    return false;

  // Now run through each digit and calculate the total.

  n = 0;
  for (i = 0; i < t.length; i += 3) {
    n += parseInt(t.charAt(i),     10) * 3
      +  parseInt(t.charAt(i + 1), 10) * 7
      +  parseInt(t.charAt(i + 2), 10);
  }

  // If the resulting sum is an even multiple of ten (but not zero),
  // the aba routing number is good.

  if (n != 0 && n % 10 == 0)
    return true;
  else
    return false;
}