/*
  $Id: general.js,v 1.1.1.1 2003/09/18 19:05:06 wilt 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;
}

function tep_ajax_change_month(m,y) {
	JsHttpRequest.query(
	    '/includes/backend/calendar.back.php',
	    {
		'action' : 'changeCurMonth',
		'new_month' : m,
		'new_year' : y,
		'lang_file' : '<?=$content;?>'
	    },
	    function (result,errors) {
		document.getElementById('ajax_cal').innerHTML = result["result_str"];
	    },
	    false
	);
    };

function tep_ajax_change_month_viewtables(m,y) {
	JsHttpRequest.query(
	    '/includes/backend/calendar.back.php?rand='+Math.random(),
	    {
		'action' : 'changeCurMonth',
		'new_month' : m,
		'new_year' : y,
		'lang_file' : '<?=$content;?>',
		'cal_type' : 1
	    },
	    function (result,errors) {
		document.getElementById('ajax_cal_viewtables').innerHTML = result["result_str"];
	    },
	    false
	);
    };

    var tmp_audio_path='/images/media/mp3/';
    var tmp_video_path='/images/media/flv/';
    function tep_write_audio_filename(filename) {
	return tmp_audio_path+filename;
    };
    function tep_write_video_filename(filename) {
	return tmp_video_path+filename;
    };


	// v2_77 AquaSystem
	function addHandler(object, event, handler) { // Thanks xpoint.ru!
		if (typeof object.addEventListener != 'undefined')
			object.addEventListener(event, handler, false);
		else if (typeof object.attachEvent != 'undefined')
			object.attachEvent('on' + event, handler);
		else {
			var handlersProp = '_handlerStack_' + event;
			var eventProp = 'on' + event;
			if (typeof object[handlersProp] == 'undefined') {
				object[handlersProp] = [];
				if (typeof object[eventProp] != 'undefined')
					object[handlersProp].push(object[eventProp]);
				object[eventProp] = function(e) {
					var ret = true;
					for (var i = 0; ret != false && i < object[handlersProp].length; i++)
						ret = object[handlersProp][i](e);
					return ret;
				}
			}
			object[handlersProp].push(handler);
		}
	}
	
	var x, y;
	if (window.opera || (navigator.userAgent.indexOf('MSIE') > -1)) { //IE + Opera
		getM_x = function () { return event.clientX + document.body.scrollLeft; }
		getM_y = function () { return event.clientY + document.body.scrollTop; }
	} else { // Mozilla    
		addHandler(document, 'mousemove', function(e) {
			x = e.pageX;
			y = e.pageY;
		} );
		
		getM_x = function () { return x; }
		getM_y = function () { return y; }
	}
	// v2_77 AquaSystem eof