function DefaultButton_Init() 
{
	if ( !DefaultButton_BrowserCapable() ) return false;
	
	for( var i=0; i<DefaultButtons.length; i++ ) 
	{
		var defaultButtonSetting = DefaultButtons[i].split("@@@");
		if ( defaultButtonSetting.length != 3 ) {return; }
		
		var inputControl = document.getElementById( defaultButtonSetting[0] );
		var postBackScript = defaultButtonSetting[1];
		var causesValidation = ( defaultButtonSetting[2] == 'True' );
		if ( inputControl != null ) 
		{
			if ( i==0 ) {
				var theForm = inputControl.form;
				theForm.EnsureDefault = false;
				theForm.defaultButtonPostBackScript = "";
				theForm.causesValidation = false;
			}
			inputControl.defaultButtonPostBackScript = postBackScript;
			inputControl.causesValidation = causesValidation;
			
			if ( typeof( inputControl.addEventListener ) != "undefined" ) 
			{
				inputControl.addEventListener("focus",DefaultButton_RegisterDefault,false);
				inputControl.addEventListener("blur",DefaultButton_UnRegisterDefault,false);
			} 
			else if ( typeof ( inputControl.attachEvent ) != "undefined" ) 
			{
				inputControl.attachEvent("onfocus",DefaultButton_RegisterDefault);
				inputControl.attachEvent("onblur",DefaultButton_UnRegisterDefault);
			} 
			else 
			{
				inputControl.onfocus = DefaultButton_RegisterDefault;
				inputControl.onblur = DefaultButton_UnRegisterDefault;
			}
		}
	}
}

function DefaultButton_BrowserCapable() {
	if ( typeof( document.getElementById ) == "undefined" ) {
		if( typeof( document.all ) != "undefined" ) {
			document.getElementById = function( elementId ) { return document.all[elementId]; };
		} else {
			return false;
		}
	}
	return true;
}
function DefaultButton_RegisterDefault(e) {
	var src = DefaultButton_GetSrcElement(e);
	src.form.EnsureDefault = true;
	src.form.defaultButtonPostBackScript = src.defaultButtonPostBackScript;
	src.form.causesValidation = src.causesValidation;
}
function DefaultButton_UnRegisterDefault(e) {
	var src = DefaultButton_GetSrcElement(e);
	src.form.EnsureDefault = false;
	src.form.defaultButtonPostBackScript = "";
	src.form.causesValidation = false;
}
function DefaultButton_RequireOwnPostback(form) {
	if ( form.EnsureDefault && form.defaultButtonPostBackScript != "" ) {
		form.EnsureDefault = false;
		window.setTimeout( 'DefaultButton_Postback( "' + form.defaultButtonPostBackScript + '", ' + form.causesValidation + ');', 10 );
		return true;
	} else {
		return false;
	}
}
function DefaultButton_Postback( postBackScript, causesValidation ) {
	if (typeof(Page_ClientValidate) == 'function' && causesValidation) {
		if (  Page_ClientValidate() ) {
			eval(postBackScript);
		}
	} else {
		eval(postBackScript);
	}
}
function DefaultButton_GetSrcElement(e) {
	if ( typeof( window.event ) != "undefined" ) {
		return window.event.srcElement;
	}
	if ( e != null && typeof( e.target ) != "undefined" ) {
		return e.target;
	}
	return null;
}