// THREE STEPS TO INSTALL Session Key format: // // 1. Include this script into the HEAD of your HTML document // 2. Add the onLoad event handler into the BODY tag // // 3. Put the this code into the // Session separator var strSeparator = "-"; var oldValue = "#@$*()%^@#_*%^&#@*@*@*@*^%"; ///////////////////////////////////////////////////////////////////////////// function checkFormat(vCtrlName, e) { // vCtrlName - object name // sessionID - value in the field being checked // e - event if (vCtrlName == null || vCtrlName.value == null) return; var sessionID = vCtrlName.value; if (sessionID == oldValue) { //alert( "Match: " + sessionID + " = " + oldValue ); return false; } var keyCode = 0; if (e != null) keyCode = (window.Event) ? e.which : e.keyCode; if( keyCode == 8 ) // Ignore the Netscape value for backspace. IE has no value return false; // Eliminate all the ASCII codes that are not valid var alphaCheck = "0123456789"; var s = vCtrlName.value; var size = s.length; var i = 0; var s2 = ""; for (i = 0; i < size; i++) { var ch = s.charAt(i); if (alphaCheck.indexOf(ch) != -1) s2 = s2 + ch; } // alert( "text: " + s2 ); sessionID = s2; // Reformat session key to xxx-xxx-xxx if (sessionID.length > 11) { var p1 = vCtrlName.value.substr(0, 3); var p2 = vCtrlName.value.substr(4, 3); var p3 = vCtrlName.value.substr(7, 3) sessionID = p1 + strSeparator + p2 + strSeparator + p3; oldValue = vCtrlName.value = sessionID; return true; } if (sessionID.length >= 6) { var tmp1 = sessionID.substr(0, 3); var tmp2 = sessionID.substr(3, 3); var tmp3 = sessionID.substr(6, sessionID.length - 1); // alert("1: tmp1: " + tmp1 + " tmp2: " + tmp2 + " tmp3: " + tmp3); sessionID = tmp1 + strSeparator + tmp2 + strSeparator + tmp3; } else if (sessionID.length >= 3) { var tmp1 = sessionID.substr(0, 3); var tmp2 = sessionID.substr(3, sessionID.length - 1); // alert("3: tmp1: " + tmp1 + " .... tmp2: " + tmp2); sessionID = tmp1 + strSeparator + tmp2; } if (sessionID.length > 11) sessionID = sessionID.substr(0, 11); oldValue = sessionID; vCtrlName.value = sessionID; return true; } /////////////////////////////////////////////////////////////////////////////