/* $Id: general.js,v 1.3 2003/02/10 22:30:55 hpdl Exp $
osCommerce, Open Source E-Commerce Solutions
http://www.oscommerce.com
Copyright (c) 2003 osCommerce
Released under the GNU General Public License*/
function SetFocus(TargetFormName) {var target = 0;
if (TargetFormName != "") {for (i=0; i<document.forms.length; i++) {if (document.forms[i].name == TargetFormName) {target = i; break;}}}
var TargetForm = document.forms[target];
for (i=0; i<TargetForm.length; i++) {if ( (TargetForm.elements[i].type != "image") && (TargetForm.elements[i].type != "hidden") && (TargetForm.elements[i].type != "reset") && (TargetForm.elements[i].type != "submit") ) {TargetForm.elements[i].focus();
if ( (TargetForm.elements[i].type == "text") || (TargetForm.elements[i].type == "password")) {TargetForm.elements[i].select();}
break; }}}
function RemoveFormatString(TargetElement, FormatString) {if (TargetElement.value == FormatString) {TargetElement.value = "";} TargetElement.select();}
function CheckDateRange(from, to) {if (Date.parse(from.value) <= Date.parse(to.value)) {return true;
} else {
return false;
}}
function IsValidDate(DateToCheck, FormatString) {var strDateToCheck; var strDateToCheckArray; var strFormatArray; var strFormatString; var strDay; var strMonth; var strYear; var intday; var intMonth; var intYear; var intDateSeparatorIdx = -1; var intFormatSeparatorIdx = -1; var strSeparatorArray = new Array("-"," ","/","."); var strMonthArray = new Array("jan","feb","mar","apr","may","jun","jul","aug","sep","oct","nov","dec"); var intDaysArray = new Array(31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31); strDateToCheck = DateToCheck.toLowerCase(); strFormatString = FormatString.toLowerCase();
if (strDateToCheck.length != strFormatString.length) {return false;}
for (i=0; i<strSeparatorArray.length; i++) {if (strFormatString.indexOf(strSeparatorArray[i]) != -1) {intFormatSeparatorIdx = i; break;}}
for (i=0; i<strSeparatorArray.length; i++) {if (strDateToCheck.indexOf(strSeparatorArray[i]) != -1) {intDateSeparatorIdx = i; break;}}
if (intDateSeparatorIdx != intFormatSeparatorIdx) {return false;}
if (intDateSeparatorIdx != -1) {strFormatArray = strFormatString.split(strSeparatorArray[intFormatSeparatorIdx]);
if (strFormatArray.length != 3) {return false;} strDateToCheckArray = strDateToCheck.split(strSeparatorArray[intDateSeparatorIdx]);
if (strDateToCheckArray.length != 3) {return false;}
for (i=0; i<strFormatArray.length; i++) {if (strFormatArray[i] == 'mm' || strFormatArray[i] == 'mmm') {strMonth = strDateToCheckArray[i];}
if (strFormatArray[i] == 'dd') {strDay = strDateToCheckArray[i];}
if (strFormatArray[i] == 'yyyy') {strYear = strDateToCheckArray[i];}}
} else {
if (FormatString.length > 7) {if (strFormatString.indexOf('mmm') == -1) {strMonth = strDateToCheck.substring(strFormatString.indexOf('mm'), 2);
} else { strMonth = strDateToCheck.substring(strFormatString.indexOf('mmm'), 3);}
strDay = strDateToCheck.substring(strFormatString.indexOf('dd'), 2);
strYear = strDateToCheck.substring(strFormatString.indexOf('yyyy'), 2);
} else {
return false;}}
if (strYear.length != 4) {return false;} intday = parseInt(strDay, 10);
if (isNaN(intday)) {return false;}
if (intday < 1) {return false;} intMonth = parseInt(strMonth, 10);
if (isNaN(intMonth)) {for (i=0; i<strMonthArray.length; i++) {if (strMonth == strMonthArray[i]) {intMonth = i+1;
break;
}}
if (isNaN(intMonth)) {return false;}}
if (intMonth > 12 || intMonth < 1) {return false;} intYear = parseInt(strYear, 10);
if (isNaN(intYear)) {return false;} if (IsLeapYear(intYear) == true) {intDaysArray[1] = 29;}
if (intday > intDaysArray[intMonth - 1]) {return false;} return true;}
function IsLeapYear(intYear) {if (intYear % 100 == 0) {if (intYear % 400 == 0) {return true;}
} else {
if ((intYear % 4) == 0) {return true;}} return false;}