/*
  -------------------------------------------------------------------------
                            JavaScript Form Validator
                                Version 2.0.2
        Copyright 2003 JavaScript-coder.com. All rights reserved.
        You use this script in your Web pages, provided these opening credit
    lines are kept intact.
        The Form validation script is distributed free from JavaScript-Coder.com

        You may please add a link to JavaScript-Coder.com,
        making it easy for others to find this script.
        Checkout the Give a link and Get a link page:
        http://www.javascript-coder.com/links/how-to-link.php

    You may not reprint or redistribute this code without permission from
    JavaScript-Coder.com.

        JavaScript Coder
        It precisely codes what you imagine!
        Grab your copy here:
                http://www.javascript-coder.com/
    -------------------------------------------------------------------------
*/
function Validator(frmname)
{
	var me;
	this.formobj=document.forms[frmname];
	if(!this.formobj)
	{
		alert("BUG: couldnot get Form object "+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;
	this.mark = mark;
	this.damnit = damnit;
}

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 mark(el, errormsg)
{
   this.multicheck = true;
   this.el = this.formobj[el];
   this.errormsg = errormsg;
   me = this;
}

function damnit(el, error)
{
  if(el.length && el[0].type == 'checkbox')
  {
  	for (var i = 0; i < el.length; i++)
	{
		if (el[i].checked)
		{
			return true;
		}
	}
  }
  alert(error);
  return false;
}


function form_submit_handler()
{
	if (typeof(me) != 'undefined')
	if (me.multicheck)
	{
		if (!damnit(me.el, me.errormsg))
			return false;
	}
	var radios = new Array();
	var count = 0;
	for(var itr=0;itr < this.elements.length;itr++)
	{
		if(this.elements[itr].validationset && !this.elements[itr].validationset.validate())
			return false;

	        if((this.elements[itr].type == 'radio') && (this.elements[itr].name != 'view_offer_form'))
	        {
            	   radios[count] = this.elements[itr].name;
  	           count++;
		}
	}

		if (radios.length > 0)
		{
	          var ccc = false;
	          var text = '';
	          for (j = 0; j < radios.length; j++)
	          {
	            var obj = document.getElementsByName(radios[j]);
		    for (i = 0; i < obj.length; i++)
		    {
		      ccc = (obj[i].checked) ? true : ccc;
	       	      var td = document.getElementById(radios[j]+'_label');
		      text = td.innerHTML;
		    }
	          }
		    if (!ccc)
		    {
		      alert("Please select a value for "+text);
		      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("BUG: the form object is not set properly");
		return;
  }

	var itemobj = this.formobj[itemname];
  if(!itemobj)
	{
		alert("BUG: Couldnot get the 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)
{
	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 "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
			case "selectvalue":
			 {
					if(objValue.selectedIndex == null)
					{
						alert("BUG: selectvalue command for non-select Item");
						return false;
					}
					if(objValue[objValue.selectedIndex].value.toLowerCase() == "select")
					{
					 if(!strError || strError.length ==0)
						{
						strError = objValue.name+": Please Select one option ";
						}//if
						alert(strError);
						return false;
					 }
					 break;
			 }//case selectvalue
			case "checked":
			 {
					if(objValue.checked == null)
					{
						alert("BUG: checked command for non-checking Item");
						return false;
					}
					if(!objValue.checked)
					{
					 if(!strError || strError.length ==0)
						{
						strError = objValue.name+": Please Check the box ";
						}//if
						alert(strError);
						return false;
					 }
					 break;
			 }//case checked
			case "radiochecked":
			 {
				  	var checked = false;
				  	for (i = 0; i < objValue.length; i++)
				  	{
				  	  checked = (objValue[i].checked) ? true : checked
				  	}
					if(!checked)
					{
					 if(!strError || strError.length ==0)
						{
						strError = objValue.name+": Please Check the box ";
						}//if
						alert(strError);
						return false;
					 }
					 break;
			 }//case radiochecked
	}//switch
	return true;
}
/*
        Copyright 2003 JavaScript-coder.com. All rights reserved.
*/