// JavaScript Document

function CheckFieldXss(field){
var invalid_chars = '^*{}[]~##<>|\`¬=:';
	
	for (i = 0; i < field.value.length; i++) {
			  if (invalid_chars.indexOf(field.value.substr(i,1)) >= 0) {
			 	 alert("invalid characters entered into a field");
				field.focus();
				field.className = "errorfield";
				 return false;
				 break;
			  }
			  else return true;
			  //return true;
		}
	
}