// Convert to Uppercase and prevent characters that breaks SQL or HTML
function UpperCase(){
    if ( window.event.keyCode >= 97 && window.event.keyCode <= 122 ) {      
      
      window.event.keyCode -= 32;
    }

    window.event.returnValue=true;

    // Prevent [ENTER], ['], ["]
    if ( window.event.keyCode == 13 ||
        window.event.keyCode == 34 ||
        window.event.keyCode == 39 )
   {
            window.event.keyCode = 0;
   }
   return;
}

function LowerChars(){
    if ( window.event.keyCode >= 65 && window.event.keyCode <= 90 ){  
    	window.event.keyCode += 32;
    }
    window.event.returnValue=true;
    return;
}