/*
  -------------------------------------------------------------------------
	Form Validator 
    Version 3
	Copyright 2010 Air-Net Wifi Ltd. All rights reserved.
    -------------------------------------------------------------------------  
*/
function Validator(frmname)
{
  this.formobj=document.forms[frmname];
	if(!this.formobj)
	{
	  alert("Error: Sorry, Can't find the form... "+frmname);
		return;
	}
	if(this.formobj.onsubmit)
	{
	 this.formobj.old_onsubmit = this.formobj.onsubmit;
	 this.formobj.onsubmit=null;
	}
	else
	{
	 this.formobj.old_onsubmit = null;
	}
	this.formobj.onsubmit=form_submit_handler;
	this.addValidation = add_validation;
	this.setAddnlValidationFunction=set_addnl_vfunction;
	this.clearAllValidations = clear_all_validations;
}
function set_addnl_vfunction(functionname)
{
  this.formobj.addnlvalidation = functionname;
}
function clear_all_validations()
{
	for(var itr=0;itr < this.formobj.elements.length;itr++)
	{
		this.formobj.elements[itr].validationset = null;
	}
}
function form_submit_handler()
{
	for(var itr=0;itr < this.elements.length;itr++)
	{
		if(this.elements[itr].validationset &&
	   !this.elements[itr].validationset.validate())
		{
		  return false;
		}
	}
	if(this.addnlvalidation)
	{
	  str =" var ret = "+this.addnlvalidation+"()";
	  eval(str);
    if(!ret) return ret;
	}
	return true;
}
function add_validation(itemname,descriptor,errstr)
{
  if(!this.formobj)
	{
	  alert("Error: the form object is not set properly");
		return;
	}//if
	var itemobj = this.formobj[itemname];
  if(!itemobj)
	{
	  alert("Error: Sorry, Can't find input object named: "+itemname);
		return;
	}
	if(!itemobj.validationset)
	{
	  itemobj.validationset = new ValidationSet(itemobj);
	}
  itemobj.validationset.add(descriptor,errstr);
}
function ValidationDesc(inputitem,desc,error)
{
  this.desc=desc;
	this.error=error;
	this.itemobj = inputitem;
	this.validate=vdesc_validate;
}
function vdesc_validate()
{
 if(!V2validateData(this.desc,this.itemobj,this.error))
 {
    this.itemobj.focus();
		return false;
 }
 return true;
}
function ValidationSet(inputitem)
{
    this.vSet=new Array();
	this.add= add_validationdesc;
	this.validate= vset_validate;
	this.itemobj = inputitem;
}
function add_validationdesc(desc,error)
{
  this.vSet[this.vSet.length]= 
	  new ValidationDesc(this.itemobj,desc,error);
}
function vset_validate()
{
   for(var itr=0;itr<this.vSet.length;itr++)
	 {
	   if(!this.vSet[itr].validate())
		 {
		   return false;
		 }
	 }
	 return true;
}
function validateEmailv2(email)
{
// a very simple email validation checking. 
// you can add more complex email checking if it helps 
    if(email.length <= 0)
	{
	  return true;
	}
    var splitted = email.match("^(.+)@(.+)$");
    if(splitted == null) return false;
    if(splitted[1] != null )
    {
      var regexp_user=/^\"?[\w-_\.]*\"?$/;
      if(splitted[1].match(regexp_user) == null) return false;
    }
    if(splitted[2] != null)
    {
      var regexp_domain=/^[\w-\.]*\.[A-Za-z]{2,4}$/;
      if(splitted[2].match(regexp_domain) == null) 
      {
	    var regexp_ip =/^\[\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}\]$/;
	    if(splitted[2].match(regexp_ip) == null) return false;
      }// if
      return true;
    }
return false;
}
function V2validateData(strValidateStr,objValue,strError) 
{ 
	//alert("validating");
    var epos = strValidateStr.search("="); 
    var  command  = ""; 
    var  cmdvalue = ""; 
    if(epos >= 0) 
    { 
     command  = strValidateStr.substring(0,epos); 
     cmdvalue = strValidateStr.substr(epos+1); 
    } 
    else 
    { 
     command = strValidateStr; 
    } 
    switch(command) 
    { 
        case "req": 
        case "required": 
         { 
           if(eval(objValue.value.length) == 0) 
           { 
              if(!strError || strError.length ==0) 
              { 
                strError = objValue.name + " : Required Field"; 
              }//if 
              alert(strError); 
              return false; 
           }//if 
           break;             
         }//case required 
        case "maxlength": 
        case "maxlen": 
          { 
             if(eval(objValue.value.length) >  eval(cmdvalue)) 
             { 
               if(!strError || strError.length ==0) 
               { 
                 strError = objValue.name + " : "+cmdvalue+" characters maximum "; 
               }//if 
               alert(strError + "\n[Current length = " + objValue.value.length + " ]"); 
               return false; 
             }//if 
             break; 
          }//case maxlen 
        case "minlength": 
        case "minlen": 
           { 
             if(eval(objValue.value.length) <  eval(cmdvalue)) 
             { 
               if(!strError || strError.length ==0) 
               { 
                 strError = objValue.name + " : " + cmdvalue + " characters minimum  "; 
               }//if               
               alert(strError + "\n[Current length = " + objValue.value.length + " ]"); 
               return false;                 
             }//if 
             break; 
            }//case minlen 
        case "alnum": 
        case "alphanumeric": 
           { 
              var charpos = objValue.value.search("[^A-Za-z0-9]"); 
              if(objValue.value.length > 0 &&  charpos >= 0) 
              { 
               if(!strError || strError.length ==0) 
                { 
                  strError = objValue.name+": Only alpha-numeric characters allowed "; 
                }//if 
                alert(strError + "\n [Error character position " + eval(charpos+1)+"]"); 
                return false; 
              }//if 
              break; 
           }//case alphanumeric 
        case "num": 
        case "numeric": 
           { 
              var charpos = objValue.value.search("[^0-9]"); 
              if(objValue.value.length > 0 &&  charpos >= 0) 
              { 
                if(!strError || strError.length ==0) 
                { 
                  strError = objValue.name+": Only digits allowed "; 
                }//if               
                alert(strError + "\n [Error character position " + eval(charpos+1)+"]"); 
                return false; 
              }//if 
              break;               
           }//numeric 
        case "decimal": 
           { 
              var charpos = objValue.value.search("[^0-9]"); 
			  if(objValue.value.charAt(charpos)=='.')
			   {
					substr=objValue.value.substring(charpos+1);
					oldcharpos=charpos;
					charpos = substr.search("[^0-9]"); 
					if(charpos>=0)
				    {
				 	charpos=charpos+oldcharpos;
				    }
					else
				   {
						if(substr.length > 2) charpos=oldcharpos+3;
				   }
			   }
              if(objValue.value.length > 0 &&  charpos >= 0) 
              { 
                if(!strError || strError.length ==0) 
                { 
                  strError = objValue.name+": Only digits allowed "; 
                }//if               
                alert(strError + "\n [Error character position " + eval(charpos+1)+"]"); 
                return false; 
              }//if 
              break;               
           }//numeric 
		case "url":
		{
			if(objValue.value.indexOf("http://")!=0 && objValue.value.indexOf("https://")!=0)
			{
					alert(strError + "\n [Error URL is invalid ]");
						return false;
			}
			break;
		}
		case "ip":
		{
			pp=0;
			str="";
			for(i=0;i<=objValue.value.length; i++)
			{
				if(i<objValue.value.length && objValue.value.charAt(i)!='.')
				{
					str+=objValue.value.charAt(i);
				}
				else
				{
					pp++;
					charpos = str.search("[^0-9]");
					if(charpos>=0)
					{
						alert(strError + "\n [Error character position "+eval(i-str.length+charpos+1)+"]");
						return false;
					}
					if(eval(str)>255) 
					{
						alert(strError+"\n [Error invalid IP, all number have to be less than 255 ]"); 
						return false;
					}
					if(pp>4)
					{
						alert(strError + "\n [Error invalid IP, many numbers]"); return false;
					}
					str="";
				}
			}
			if(pp<4)
			{
				alert(strError + "\n [Error invalid IP, not enough numbers]"); return false;
			}
			break;
		}
		case "maca":
		{
			pp=0;
			str="";
			for(i=0;i<=objValue.value.length; i++)
			{
				if(i<objValue.value.length && objValue.value.charAt(i)!='-')
				{
					str+=objValue.value.charAt(i);
				}
				else
				{
					pp++;
					charpos = str.search("[^0-9a-fA-F]");
					if(charpos>=0)
					{
						alert(strError + "\n [Error character position "+eval(i-str.length+charpos+1)+"]");
						return false;
					}
					/*
					if(eval(str)>255) 
					{
						alert(strError+"\n [Error invalid IP, all number have to be less than 255 ]"); 
						return false;
					}
					*/
					if(pp>6)
					{
						alert(strError + "\n [Error invalid Mac ID, many numbers]"); return false;
					}
					if(str.length!=2)
					{
						alert(strError + "\n [Error invalid Mac ID, two digit for each number]");
						return false;
					}
					str="";
				}
			}
			if(pp<6)
			{
				alert(strError + "\n [Error invalid Mac ID, not enough numbers]"); return false;
			}
			break;
		}
		case "macb":
		{
			pp=0;
			str="";
			for(i=0;i<=objValue.value.length; i++)
			{
				if(i<objValue.value.length && objValue.value.charAt(i)!=':')
				{
					str+=objValue.value.charAt(i);
				}
				else
				{
					pp++;
					charpos = str.search("[^0-9a-fA-F]");
					if(charpos>=0)
					{
						alert(strError + "\n [Error character position "+eval(i-str.length+charpos+1)+"]");
						return false;
					}
					/*
					if(eval(str)>255) 
					{
						alert(strError+"\n [Error invalid IP, all number have to be less than 255 ]"); 
						return false;
					}
					*/
					if(pp>6)
					{
						alert(strError + "\n [Error invalid Mac ID, many numbers]"); return false;
					}
					if(str.length!=2)
					{
						alert(strError + "\n [Error invalid Mac ID, two digit for each number]");
						return false;
					}
					str="";
				}
			}
			if(pp<6)
			{
				alert(strError + "\n [Error invalid Mac ID, not enough numbers]"); return false;
			}
			break;
		}
		case "date":
		{
			if(cmdvalue=='dd-mm-yyyy')
			{
				pp=0;
				str="";
				for(i=0;i<=objValue.value.length; i++)
				{
					if(i<objValue.value.length && objValue.value.charAt(i)!='-')
					{
						str+=objValue.value.charAt(i);
					}
					else
					{
						pp++;
						charpos = str.search("[^0-9]");
						if(charpos>=0)
						{
							alert(strError + "\n [Error character position "+eval(i-str.length+charpos+1)+"]");
							return false;
						}
						if(pp==1)
							// dd
							if(eval(str)>31 || eval(str<1)) { alert(strError + "\n [Error invalid Day]"); return false;};
						if(pp==2)
							// mm
							if(eval(str)>12||eval(str)<1) { alert(strError + "\n [Error invalid Month]"); return false;};
						if(pp==3)
							// yyyy
							if(str.length!=4 || eval(str)<1000) { alert(strError + "\n [Error invalid Year]"); return false;};
						if(pp>3)
						{
							alert(strError + "\n [Error invalid Date]"); return false;
						}
						str="";
					}
				}
				if(pp<3)
				{
					alert(strError + "\n [Error invalid Date]"); return false;
				}

			}
			else if(cmdvalue=='yyyy-mm-dd')
			{
				pp=0;
				str="";
				for(i=0;i<=objValue.value.length; i++)
				{
					if(i<objValue.value.length && objValue.value.charAt(i)!='-')
					{
						str+=objValue.value.charAt(i);
					}
					else
					{
						pp++;
						charpos = str.search("[^0-9]");
						if(charpos>=0)
						{
							alert(strError + "\n [Error character position "+eval(i-str.length+charpos+1)+"]");
							return false;
						}
						if(pp==3)
							// dd
							if(eval(str)>31 || eval(str<1)) { alert(strError + "\n [Error invalid Day]"); return false;};
						if(pp==2)
							// mm
							if(eval(str)>12 || eval(str<1)) { alert(strError + "\n [Error invalid Month]"); return false;};
						if(pp==1)
							// yyyy
							if(str.length!=4 || eval(str<1000)) { alert(strError + "\n [Error invalid Year]"); return false;};
						if(pp>3)
						{
							alert(strError + "\n [Error invalid Date]"); return false;
						}
						str="";
					}
				}
				if(pp<3)
				{
					alert(strError + "\n [Error invalid Date]"); return false;
				}
			}
			else 
			{
				alert(strError + "\n [Error date format is invalid]");
				return false;
			}
			break;
		}
        case "alphabetic": 
        case "alpha": 
           { 
              var charpos = objValue.value.search("[^A-Za-z]"); 
              if(objValue.value.length > 0 &&  charpos >= 0) 
              { 
                  if(!strError || strError.length ==0) 
                { 
                  strError = objValue.name+": Only alphabetic characters allowed "; 
                }//if                             
                alert(strError + "\n [Error character position " + eval(charpos+1)+"]"); 
                return false; 
              }//if 
              break; 
           }//alpha 


		case "alnumhyphen":
			{
              var charpos = objValue.value.search("[^A-Za-z0-9\-_]"); 
              if(objValue.value.length > 0 &&  charpos >= 0) 
              { 
                  if(!strError || strError.length ==0) 
                { 
                  strError = objValue.name+": characters allowed are A-Z,a-z,0-9,- and _"; 
                }//if                             
                alert(strError + "\n [Error character position " + eval(charpos+1)+"]"); 
                return false; 
              }//if 			
			break;
			}

        case "email": 
          { 
               if(!validateEmailv2(objValue.value)) 
               { 
                 if(!strError || strError.length ==0) 
                 { 
                    strError = objValue.name+": Enter a valid Email address "; 
                 }//if                                               
                 alert(strError); 
                 return false; 
               }//if 
           break; 
          }//case email 
        case "lt": 
        case "lessthan": 
         { 
            if(isNaN(objValue.value)) 
            { 
              alert(objValue.name+": Should be a number "); 
              return false; 
            }//if 
            if(eval(objValue.value) >=  eval(cmdvalue)) 
            { 
              if(!strError || strError.length ==0) 
              { 
                strError = objValue.name + " : value should be less than "+ cmdvalue; 
              }//if               
              alert(strError); 
              return false;                 
             }//if             
            break; 
         }//case lessthan 
        case "gt": 
        case "greaterthan": 
         { 
            if(isNaN(objValue.value)) 
            { 
              alert(objValue.name+": Should be a number "); 
              return false; 
            }//if 
             if(eval(objValue.value) <=  eval(cmdvalue)) 
             { 
               if(!strError || strError.length ==0) 
               { 
                 strError = objValue.name + " : value should be greater than "+ cmdvalue; 
               }//if               
               alert(strError); 
               return false;                 
             }//if             
            break; 
         }//case greaterthan 
        case "regexp": 
         { 
		 	if(objValue.value.length > 0)
			{
	            if(!objValue.value.match(cmdvalue)) 
	            { 
	              if(!strError || strError.length ==0) 
	              { 
	                strError = objValue.name+": Invalid characters found "; 
	              }//if                                                               
	              alert(strError); 
	              return false;                   
	            }//if 
			}
           break; 
         }//case regexp 
        case "dontselect": 
         { 
            if(objValue.selectedIndex == null) 
            { 
              alert("BUG: dontselect command for non-select Item"); 
              return false; 
            } 
            if(objValue.selectedIndex == eval(cmdvalue)) 
            { 
             if(!strError || strError.length ==0) 
              { 
              strError = objValue.name+": Please Select one option "; 
              }//if                                                               
              alert(strError); 
              return false;                                   
             } 
             break; 
         }//case dontselect 
    }//switch 
    return true; 
}
/*
	Copyright Air-Net Wifi Ltd. All rights reserved.
*/