/***********************************************/
function validateNumbers(field) {
    if (field.value == "") {
	    alert("Complete the required fields please");
	    field.focus();
	    field.select();
	    return false;
    }else{
	    var valid = "0123456789"
	    var ok = true;
	    var temp;
	    for (var i=0; i<field.value.length; i++) {
		    temp = "" + field.value.substring(i, i+1);
		    if (valid.indexOf(temp) == "-1") ok = false;
	    }
	    if (ok==false) {
		    alert("Error. Only numbers are accepted");
		    field.focus();
		    field.select();
		    return false;
	    }
	    else {return true;}
    } 
}
/***********************************************/
function checkFormat(string){
    var re = /^[\w][\w\.\-]{1,12}$/i;
    if(!re.test(string)){	
        alert("No special characters are allowed. Only contain letters and numbers ");
        return false;
    }
    return true;
}   
/***********************************************/ 
function checkFormatDB(obj){
  if (window.RegExp) {
    var r2 = '"';
    var msAlert = "', %, "+r2;
	var reg1str = "(\\')|(\\%)|(\\\")";
	var reg1 = new RegExp(reg1str);
		if (!reg1.test(obj.value)){
			return true;
		}else{
		    alert("No " + msAlert + " characters are allowed.");
		    obj.focus();
			return false;
		}
  }else{
  return false;
  } 
}             
/***********************************************/
function validateCombos(field) {
	if (field.value=="0"){
        alert("Select a valid option please");
		field.focus();
		return false;
	}else {return true;}
}
/***********************************************/
function validateMinSize(field, minSize){
    if (field.value.length < minSize){
        alert("Complete the fields please");
        field.focus();
        field.select();
        return false;
    }else{
        return true;
    }
}
/***********************************************/
function validateMinSizeDepartment(field, minSize){
    if (field.value.length < minSize){
        alert("All fields are required.  Please complete this form fully.");
        field.focus();
        field.select();
        return false;
    }else{
        return true;
    }
}
/***********************************************/
function validateCurrency(field) {
    if (field.value == "") {
	    alert("Complete the fields please");
	    field.focus();
	    field.select();
	    return false;
    }else{
	    var valid = "0123456789.,"
	    var ok = true;
	    var temp;
	    for (var i=0; i<field.value.length; i++) {
		    temp = "" + field.value.substring(i, i+1);
		    if (valid.indexOf(temp) == "-1") ok = false;
	    }
	    if (ok==false) {
		    alert("Error. Invalid information");
		    field.focus();
		    field.select();
		    return false;
	    }
	    else {return true;}
    }  
}
/***********************************************/
function validateCurrencyRequired(field) {
    if (field.value == "" || field.value==0)  {
	    alert("Complete the fields please");
	    field.focus();
	    field.select();
	    return false;
    }else{
	    var valid = "0123456789.,"
	    var ok = true;
	    var temp;
	    for (var i=0; i<field.value.length; i++) {
		    temp = "" + field.value.substring(i, i+1);
		    if (valid.indexOf(temp) == "-1") ok = false;
	    }
	    if (ok==false) {
		    alert("Error. Invalid information");
		    field.focus();
		    field.select();
		    return false;
	    }
	    else {return true;}
    }
}
/***********************************************/
function validateQty(field) {
    if (field.value == 0) {
	    alert("The quantity cannot be 0");
	    field.focus();
	    field.select();
	    return false;
    }
    else {return true;}
}
/***********************************************/
function validateQtyRange(field, min, max) {
    if (field.value < min || field.value > max) {
	    alert("The value range is "+min+" - "+max);
	    field.focus();
	    field.select();
	    return false;
    }
    else {return true;}
}
/***********************************************/
function verifyEmail(mailStr){
    if (mailStr.value == "" || mailStr.value.indexOf("@") == -1 || mailStr.value.indexOf(".") == -1 || mailStr.value.length<6){
        alert("Invalid e-mail address");
        mailStr.focus(); 
        return false; 
    }else{
        return true;
    }
}
/***********************************************/
function emailCheck (emailStr){
    var checkTLD=1;
    var knownDomsPat=/^(com|net|org|edu|int|mil|gov|arpa|biz|aero|name|coop|info|pro|museum)$/;
    var emailPat=/^(.+)@(.+)$/;
    var specialChars="\\(\\)><@,;:\\\\\\\"\\.\\[\\]";
    var validChars="\[^\\s" + specialChars + "\]";
    var quotedUser="(\"[^\"]*\")";
    var ipDomainPat=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/;
    var atom=validChars + '+';
    var word="(" + atom + "|" + quotedUser + ")";
    var userPat=new RegExp("^" + word + "(\\." + word + ")*$");
    var domainPat=new RegExp("^" + atom + "(\\." + atom +")*$");
    var matchArray=emailStr.match(emailPat);
    if (matchArray==null) {
        return false;
    }
    var user=matchArray[1];
    var domain=matchArray[2];
    for (i=0; i<user.length; i++) {
        if (user.charCodeAt(i)>127) {
            return false;
        }
    }
    for (i=0; i<domain.length; i++) {
        if (domain.charCodeAt(i)>127) {
            return false;
        }
    }
    if (user.match(userPat)==null){
        return false;
    }
    var IPArray=domain.match(ipDomainPat);
    if (IPArray!=null) {
        for (var i=1;i<=4;i++) {
            if (IPArray[i]>255) {
                return false;
            }
        }
        return true;
    }
    var atomPat=new RegExp("^" + atom + "$");
    var domArr=domain.split(".");
    var len=domArr.length;
    for (i=0;i<len;i++) {
        if (domArr[i].search(atomPat)==-1) {
            return false;
        }
    }
    if (checkTLD && domArr[domArr.length-1].length!=2 && 
        domArr[domArr.length-1].search(knownDomsPat)==-1) {
        return false;
    }
    if (len<2) {
        return false;
    }
    return true;
}
/***********************************************/
function Left(str, n){
    /***
    IN: str - the string we are LEFTing
    n - the number of characters we want to return
    RETVAL: n characters from the left side of the string
    ***/
    if (n <= 0)                     // Invalid bound, return blank string
        return "";
    else if (n > String(str).length)// Invalid bound, return
        return str;                 // entire string
    else                            // Valid bound, return appropriate substring
        return String(str).substring(0,n);
}
/***********************************************/
function chkForm(){
    //Get all Forms in document
    var allForm  = document.forms;        
    //Declare array (see function elementsInForm)
    var allForms = new Array ();
    //Declare index of array
    var ind = -1;
    //Declare string contains all data
    var strForm = 'ID\t\tNAME\t\tVALUE\n';
    //Loop for each Form 
    for ( var formElemnt, i = 0; ( formElemnt = allForm[i] ); i++ ){
        //Get all elements for each form
        var formElements = document.getElementById(formElemnt.id).elements;
        //Loop for each element in form
        for (var inFormElemnt , j=0; (inFormElemnt = formElements[j]); j++ ){
            ind ++;
            allForms[ind] = new elementsInForm (formElemnt.id, formElemnt.action, inFormElemnt.id, inFormElemnt.name, inFormElemnt.value);
        }
        //Form without elements
        if (j == 0) {
            ind ++;
            allForms[ind] = new elementsInForm (formElemnt.id, formElemnt.action, 'Form Vacio','Form Vacio','Form Vacio');
        }
    }
    //Check if exists any form in document
    if (i > 0) {
        //Generate String with all data document
        var currentForm = allForms[0].formID;
        strForm += 'Form : ' + currentForm +' \n Action: '+ allForms[0].formAction  + '\n';
        strForm += '--------------------------------------------\n';
        for (i = 0; i <= ind ; i++ ){
            if (currentForm == allForms[i].formID){
                strForm += allForms[i].elementID +'\t\t'+  allForms[i].elementName +'\t\t'+ allForms[i].elementValue +'\n';
            }else{
                currentForm = allForms[i].formID;
                strForm += '\n\nForm : ' + currentForm +' Action: '+ allForms[i].formAction  + '\n';
                strForm += '--------------------------------------------\n';                  
                strForm += allForms[i].elementID +'\t\t'+  allForms[i].elementName +'\t\t'+ allForms[i].elementValue +'\n';
            }
        }
    }else{
        strForm  = 'Este document no tiene Forms';
    }
    alert (strForm);
}     
/***********************************************/
function elementsInForm (formID, formAction, elementID, elementName, elementValue){
    this.formID = formID;
    this.formAction = formAction;
    this.elementID = elementID;
    this.elementName = elementName;
    this.elementValue = elementValue;
}
/***********************************************/
function UCase(s){
	// Devuelve la cadena convertida a mayúsculas
	return s.toUpperCase();
}
/***********************************************/