//BROWSER DETECTION

var ns4 = document.layers;

var ns6 = document.getElementById && !document.all;

var ie4 = document.all;

 

function DetectBrowser(){ //Detectarea browserului folosit

	this.ver=navigator.appVersion

	this.agent=navigator.userAgent

	this.dom=document.getElementById?1:0

	this.opera5=(navigator.userAgent.indexOf("Opera")>-1 && document.getElementById)?1:0

	this.ie5=(this.ver.indexOf("MSIE 5")>-1 && this.dom && !this.opera5)?1:0; 

	this.ie6=(this.ver.indexOf("MSIE 6")>-1 && this.dom && !this.opera5)?1:0;

	this.ie4=(document.all && !this.dom && !this.opera5)?1:0;

	this.ie=this.ie4||this.ie5||this.ie6

	this.mac=this.agent.indexOf("Mac")>-1

	this.ns6=(this.dom && parseInt(this.ver) >= 5) ?1:0; 

	this.ns4=(document.layers && !this.dom)?1:0;

	this.bw=(this.ie6 || this.ie5 || this.ie4 || this.ns4 || this.ns6 || this.opera5)

	return this

}

var bw=new DetectBrowser();



//Email Validation

function emailValid(email)

{

  var result = false

  var theStr = new String(email)

  var index = theStr.indexOf("@");

  if (index > 0)

  {

    var pindex = theStr.indexOf(".",index);

    if ((pindex > index+1) && (theStr.length > pindex+1))

	result = true;

  }

  return result;

}



function fieldOb(field_name){

	if(ns6) field = eval("document.getElementById('"+field_name+"')");

	else if(ns4) field = eval("document."+field_name);

	else field = eval("document.all."+field_name);

	return field;

}



function changeRowColor(row, color){

	rOb = fieldOb(row);

	rOb.bgColor = color;  

}









var incomplete_fields = '';





//Validates a field

function ValidateField(elem, name){

	if((elem.value == '')||(elem.value == 0))	{

    		//alert('INCOMPLETE!\n\nThe following fields have not been filled: \n'+incomplete_fields);

			alert('Error: Please complete all mandatory fields!');

    		elem.focus();

   	 		return(false);

   	}

	else if(name.indexOf('Email') != -1){

			 	if(!emailValid(elem.value)){

					alert('Invalid E-mail address !');

					elem.focus();

   	 				return(false);

				}

	}

	return(true);

}



//Just Validates a field without (alert & focus)

function JustValidateField(elem){

	if((elem.value == '')||(elem.value == 0))	return(false);

	else if(name.indexOf('email') != -1){

			 	if(!emailValid(elem.value)){

   	 				return(false);

				}

	}

	return(true);

}





function BuildIncompleteFields(form, fields){

	incomplete_fields = '';



	mandatory_fields = fields.split(',');

	for(i=0; i<mandatory_fields.length; i++){

		//single field

		elem = eval('form.' + mandatory_fields[i]);

		if(!JustValidateField(elem, mandatory_fields[i])) incomplete_fields += ', ' + mandatory_fields[i];

	}//for



	incomplete_fields = incomplete_fields.substr(2, incomplete_fields.length-2);

}



//Validate form for Mandatory fields to be filled properly

function Validate(form, fields){

   	BuildIncompleteFields(form, fields);



	mandatory_fields = fields.split(',');

	for(i=0; i<mandatory_fields.length; i++){

		

		if(mandatory_fields[i].indexOf('|')){

			//groupped fields (at least one of them must be filled/selected)

			mandatory_group_fields = mandatory_fields[i].split('|');

			valid = 0;

			for(j=0; j<mandatory_group_fields.length; j++){

				elem = eval('form.' + mandatory_group_fields[j]);

				if(ValidateField(elem, mandatory_group_fields[j]) ) valid = 1;

				else return(false);

			}

			if(!valid){

				//no fields filled

				elem = eval('form.' + mandatory_group_fields[0]);

				if(!ValidateField(elem, mandatory_group_fields[0])) return(false);

			}

			

		}else{

			//single field

			elem = eval('form.' + mandatory_fields[i]);

			if(!ValidateField(elem, mandatory_fields[i])) return(false);

		}

		

	}//for

	

	return(true);

}









function ValidateLogin(form){

   	if(form.login_user.value == '')	{

    		alert('Insert Username!');

    		form.login_user.focus();

   	 	return(false);

   	}

   	if(form.login_pass.value == '')	{

    		alert('Insert Password!');

    		form.login_pass.focus();

   	 	return(false);

   	}

	return(true);

}