Paging jump (check for numbers and carriage return jumps)

Check whether the numbers match

Function anp_checkinput (BID, MV)

{

VaR El = Document. getelementbyid (BID );

VaR r = new Regexp ("^ \ s * (\ D +) \ s * $ ");
If (R. Test (El. Value )){

If (Regexp. $1 <1 | Regexp. $1> mV ){

Alert ("the page index is out of range! ");

El. Focus ();

El. Select ();

Return false;

}
Return true;

}

Alert ("the page index is not a valid value! ");

El. Focus ();

El. Select ();

Return false;

}

 

Press enter to jump

Function anp_keydown (E, btnid ){
VaR kcode;
If (window. Event) {kcode = E. keycode ;}
Else if (E. Which) {kcode = E. Which ;}
VaR validkey = (kcode = 8 | kcode = 46 | kcode = 37 | kcode = 39 | (kcode> = 48 & kcode <= 57) | (kcode> = 96 & kcode <= 105 ));
If (! Validkey ){
If (kcode = 13) document. getelementbyid (btnid). Click ();
If (E. preventdefault) E. preventdefault (); else {event. returnvalue = false };
}
}