/*
  -------------------------------------------------------------------------
	                    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/
    -------------------------------------------------------------------------  
*/


/******************************************************************************
 FORM CONSTRUCTOR
******************************************************************************/
function Validator(frmname) {
	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;
}

	//To add a custom function to call before submiting the form, accept boolean
function set_addnl_vfunction(functionname) {
  this.formobj.addnlvalidation = functionname;
}

	//Clear all validation
function clear_all_validations() {
	for(var itr=0;itr < this.formobj.elements.length;itr++) {
		this.formobj.elements[itr].validationset = null;
	}
}

	//Start validation process
function form_submit_handler() {
	this.isValid = true;
	for(var itr=0;itr < this.elements.length;itr++) {
		if(this.elements[itr].validationset) {
			if(!this.elements[itr].validationset.validate()) {
				$("div#"+this.elements[itr].name+"_div").find("p.error").remove();
				$("div#"+this.elements[itr].name+"_div").prepend("<p class=\"error\">"+this.elements[itr].strError+"</p>");
				$("div#"+this.elements[itr].name+"_div").addClass("error");
				this.isValid = false;
			} else {
				$("div#"+this.elements[itr].name+"_div").find("p.error").remove();
				$("div#"+this.elements[itr].name+"_div").removeClass("error");
			}
		}
	}

	//The custom function validation
	if(this.addnlvalidation) {
		str = " var ret = "+this.addnlvalidation+"()";
		eval(str);
		if(!ret) this.isValid = false;
	}

	if(this.isValid) {
		$("div#formError").css("display", "none");
		return true;
	} else {	
		$("div#formError").css("display", "block");
		window.scrollTo(0,0);
		return false;
	}
}

	//Add an item to validate
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) {
		// Bind validation to the form item
	  	itemobj.validationset = new ValidationSet(itemobj);
	}
	
  	itemobj.validationset.add(descriptor,errstr);
}

	//What the hell is that!?
function ValidationDesc(inputitem,desc,error) {
  	this.desc=desc;	
	this.error=error;
	this.itemobj = inputitem;
	this.validate=vdesc_validate;
}

	//Hum ok, I miss something here....
function vdesc_validate() {
	if(!V2validateData(this.desc,this.itemobj,this.error)) {
	   	//this.itemobj.focus();
		return false;
	}
 	return true;
}


/******************************************************************************
 INPUT CONSTRUCTOR
******************************************************************************/
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) {
    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;
      	}
      	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"; 
          		}
				objValue.strError = strError;
              	return false;
           	} 
           	break;             



        case "maxlength": 
        case "maxlen": 
			if(eval(objValue.value.length) >  eval(cmdvalue)) { 
               	if(!strError || strError.length ==0) { 
                	strError = objValue.name + " : "+cmdvalue+" characters maximum "; 
               	}
               	objValue.strError = strError;
               	return false;
            }
          	break; 



        case "minlength": 
        case "minlen": 
             if(eval(objValue.value.length) <  eval(cmdvalue)) { 
               	if(!strError || strError.length ==0) { 
                 	strError = objValue.name + " : " + cmdvalue + " characters minimum  "; 
               	}             
               	objValue.strError = strError; 
               	return false;            
             }
             break; 



        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 "; 
                }
                objValue.strError = strError;
                return false;
            } 
            break; 


        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 "; 
                }               
                objValue.strError = strError;
                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 "; 
                }                             
                objValue.strError = strError;
                return false;
            } 
            break; 



		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 _"; 
                }                             
                objValue.strError = strError;
                return false;
            } 			
			break;



        case "email": 
           	if(!validateEmailv2(objValue.value)) { 
            	if(!strError || strError.length ==0) { 
                    strError = objValue.name+": Enter a valid Email address "; 
                }                                          
                objValue.strError = strError;
                return false; 
            }
           	break; 



        case "lt": 
        case "lessthan": 
        	if(isNaN(objValue.value)) { 
            	objValue.strError = objValue.name+": Should be a number "; 
              	return false;
            } 
            if(eval(objValue.value) >=  eval(cmdvalue)) { 
            	if(!strError || strError.length ==0) { 
                strError = objValue.name + " : value should be less than "+ cmdvalue; 
            	}               
            objValue.strError = strError;
            return false;          
            }             
            break; 



        case "gt": 
        case "greaterthan": 
       		if(isNaN(objValue.value)) { 
            	objValue.strError = objValue.name+": Should be a number "; 
            	return false;
            } 
            if(eval(objValue.value) <=  eval(cmdvalue)) { 
           		if(!strError || strError.length ==0) { 
               		strError = objValue.name + " : value should be greater than "+ cmdvalue; 
               	}               
            	objValue.strError = strError;
            	return false;              
            }             
            break; 



        case "regexp": 
	 		if(objValue.value.length > 0) {
	        	if(!objValue.value.match(cmdvalue)) { 
	            	if(!strError || strError.length == 0) { 
	                	strError = objValue.name+": Invalid characters found "; 
	              	}       
	                objValue.strError = strError;
	            	return false;              
	            } 
			}
           	break; 



        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 "; 
              	}                                                               
            	objValue.strError = strError;
            	return false;                                
            } 
            break;


		case "fck" :
			var oEditor = FCKeditorAPI.GetInstance( objValue.name );
			if(oEditor.GetXHTML(true) == "") {
				if(!strError || strError.length ==0) { 
           			strError = objValue.name + " : Required Field"; 
          		}
				objValue.strError = strError;
				return false;
			}
			break;


    }
	return true;
}


/*
	Copyright 2003 JavaScript-coder.com. All rights reserved.
*/