function error(field,message){
	document.getElementById(field).innerHTML=message;
}

function val_email(obj){
	if (document.getElementsByTagName){
				var objInput = document.getElementsByTagName('input');
				for (var i=0; i<objInput.length; i++){
					if (objInput[i].name==obj){
						var email = objInput[i].value;
					}
				}	
	}
    if(email.length < 0)
	{
	  return true;
	}
    var splitted = email.match("^(.+)@(.+)$");
    if(splitted == null) return error('email','Please insert a valid email address');
    if(splitted[1] != null )
    {
      var regexp_user=/^\"?[\w-_\.]*\"?$/;
      if(splitted[1].match(regexp_user) == null) return error('email','Please insert a valid email address');
    }
    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 error('email','Please insert a valid email address');
      }// if
      return true;
    }
return error('email','Please insert a valid email address');
}

function equal_fields(obj,obj1){
	if (document.getElementsByTagName){
				var objInput = document.getElementsByTagName('input');
				for (var i=0; i<objInput.length; i++){
					if (objInput[i].name==obj){
						var object = objInput[i].value;
					}
					if (objInput[i].name==obj1){
						var object1 = objInput[i].value;
					}
				}	
	}
    if (object==object1)
    {
		return true;
    }
return alert("Passwords don't match");
}

function val(strValidateStr,obj,strError) { 
			if (document.getElementsByTagName){
				var objInput = document.getElementsByTagName('input');
				
				for (var i=0; i<objInput.length; i++){
					if (objInput[i].name==obj){
						var objValue = objInput[i];
					}
				}	
			}
			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 
			}//switch 
			return true; 
	}