function checkIllegalChars(validationString , retMessage){
var isError = false; 
	for(i=0;i<validationString.length; i++){
		if(validationString.charAt(i) == ")"){
			alert(retMessage);
			isError=true;
			break;
		}else if(validationString.charAt(i) == "("){
			alert(retMessage);
			isError=true;
			break;
		}
		else if(validationString.charAt(i) == "'"){
			alert(retMessage);
			isError=true;
			break;
		}
		else if(validationString.charAt(i) == "*"){
			alert(retMessage);
			isError=true;
			break;
		}else if(validationString.charAt(i) == "~"){
			alert(retMessage);
			isError=true;
			break;
		}else if(validationString.charAt(i) == "!"){
			alert(retMessage);
			isError=true;
			break;
		}else if(validationString.charAt(i) == "."){
			alert(retMessage);
			isError=true;
			break;
		}else if(validationString.charAt(i) == "_"){
			alert(retMessage);
			isError=true;
			break;
		}else if(validationString.charAt(i) == "-"){
			alert(retMessage);
			isError=true;
			break;
		}
	}
	return isError; 
}
function checkForNullVal(valString, retMessage){
	var isError = false;
	if(valString == null || valString == ""){
		alert(retMessage);
		isError = true;
	}
	return isError;	
}

function checkForNumerical(sText, retMessage)
{
   var ValidChars = "0123456789";
   var isError=false;
   var Char; 
   for (i = 0; i < sText.length && isError == false; i++) 
      { 
      Char = sText.charAt(i); 
      if(ValidChars.indexOf(Char) == -1){
		 isError = true;
		 alert(retMessage);
      }
   }
   return isError;
}
function checkPasswords(pwd1, pwd2){
	var isError = false;
	if(pwd1 != pwd2  ){
		isError = true;
		alert("Passwords do not match");
	}
	return isError;
}