InputType={
NonnegativeInteger:0,
WholeNumber:1,
Currency:2};
function InitializeTextbox(ctrl,emType){
var obj=typeof(ctrl)=="string"?document.getElementById(ctrl):ctrl;
if(obj==null){
alert("Error:ctrl {"+ctrl+"} does not exist!");
return false;}
obj.attachEvent('onkeydown',function(){eval('__SaveKeyCode(event);')});
switch(emType){
case InputType.NonnegativeInteger:
obj.attachEvent('onkeypress',function(){eval('__AcceptNonnegativeInteger(event);');});
break;
case InputType.WholeNumber:
obj.attachEvent('onkeypress',function(){eval('__AcceptWholeNumber(event);');});
break;
case InputType.Currency:
obj.attachEvent('onkeypress',function(){eval('__AcceptCurrency(event);');});
obj.attachEvent('onblur',(function(p){
return function(){
if(p.value.length==0)
p.value="0.00";
else{
var nIndex=p.value.indexOf('.');
if(nIndex==0){
p.value="0"+p.value;
p.value=p.value.substring(0,nIndex+3);}
else if(nIndex>0){
p.value=p.value.substring(0,nIndex+3);}
else{
p.value=p.value+".00";}
var offset=p.value.length-p.value.lastIndexOf('.')-1;
for(var k=offset;k<2;k++){
p.value=p.value+"0";};}};})(obj));
break;
default:
alert("Error:unknown input type {"+emType+"}!");
return false;};
return true;}
function __AcceptNonnegativeInteger(evt){
if(evt.shiftKey){
__EnableKeys(evt,[
VKeyCode.VK_LEFT,
VKeyCode.VK_RIGHT,
VKeyCode.VK_BACK,
VKeyCode.VK_DELETE,
VKeyCode.VK_NUMLOCK,
VKeyCode.VK_HOME,
VKeyCode.VK_END,
VKeyCode.VK_TAB]);}
else{
__EnableKeys(evt,[
VKeyCode.VK_0,
VKeyCode.VK_1,
VKeyCode.VK_2,
VKeyCode.VK_3,
VKeyCode.VK_4,
VKeyCode.VK_5,
VKeyCode.VK_6,
VKeyCode.VK_7,
VKeyCode.VK_8,
VKeyCode.VK_9,
VKeyCode.VK_NUMPAD0,
VKeyCode.VK_NUMPAD1,
VKeyCode.VK_NUMPAD2,
VKeyCode.VK_NUMPAD3,
VKeyCode.VK_NUMPAD4,
VKeyCode.VK_NUMPAD5,
VKeyCode.VK_NUMPAD6,
VKeyCode.VK_NUMPAD7,
VKeyCode.VK_NUMPAD8,
VKeyCode.VK_NUMPAD9,
VKeyCode.VK_LEFT,
VKeyCode.VK_RIGHT,
VKeyCode.VK_BACK,
VKeyCode.VK_DELETE,
VKeyCode.VK_NUMLOCK,
VKeyCode.VK_HOME,
VKeyCode.VK_END,
VKeyCode.VK_TAB]);}}
function __AcceptWholeNumber(evt){
var obj=evt.srcElement==null?evt.target:evt.srcElement;
if(__GetKeyCode(evt)==VKeyCode.VK_SUBTRACT||
__GetKeyCode(evt)==VKeyCode.VK_OEM_MINUS){
if(__GetCursorStartPos(evt)==0&&
__GetCursorEndPos(evt)==0&&
obj.value.indexOf('-')<0&&!evt.shiftKey){
return true;};
if(__GetCursorStartPos(evt)==0&&
__GetCursorEndPos(evt)>0&&!evt.shiftKey){
return true;};
if(evt.preventDefault){evt.preventDefault();}
evt.returnValue=false;
return false;}
return __AcceptNonnegativeInteger(evt);}
function __AcceptCurrency(evt){
var obj=evt.srcElement==null?evt.target:evt.srcElement;
if(evt.shiftKey){
return __EnableKeys(evt,[
VKeyCode.VK_LEFT,
VKeyCode.VK_RIGHT,
VKeyCode.VK_BACK,
VKeyCode.VK_DELETE,
VKeyCode.VK_NUMLOCK,
VKeyCode.VK_HOME,
VKeyCode.VK_END,
VKeyCode.VK_TAB]);}
if(__GetKeyCode(evt)==VKeyCode.VK_OEM_PERIOD||
__GetKeyCode(evt)==VKeyCode.VK_DECIMAL){
if(evt.shiftKey){
if(evt.preventDefault){evt.preventDefault();}
evt.returnValue=false;
return false;}
if(obj.value.indexOf('.')<0)
return true;
if(obj.value.indexOf('.')>=0){
if(__GetCursorStartPos(evt)<=obj.value.indexOf('.')&&
__GetCursorEndPos(evt)>obj.value.indexOf('.')){
return true;};
if(evt.preventDefault){evt.preventDefault();}
evt.returnValue=false;
return false;}
else{
return true;}}
return __AcceptNonnegativeInteger(evt);}