/*
$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;
}

function popupWindow(url) {
	//window.open(url,'popupWindow','toolbar=no,location=no,directories=no status=no,menubar=no,scrollbars=yes,resizable=yes,copyhistory=no,width=450,height=450,screenX=150,screenY=150,top=150,left=150');
	popUpWin(url, 'popupWindow', '450', '450', 'toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=yes,copyhistory=no');
}

function popUpWin (url, win, width, height, options) {
	try {
		var leftPos = (screen.availWidth - width) / 2;
		var topPos = (screen.availHeight - height) / 2;
		if (options.length > 0) options += ',';
		options += 'width=' + width + ',height=' + height + ',top=' + topPos + ',left=' + leftPos;
		return window.open(url, win, options);
	} catch (e) {
		if (debugMode) alert(e);
	}
}

/* DDB - 041031 - Form Field Progress Bar */
/***********************************************
* Form Field Progress Bar- By Ron Jonk- http://www.euronet.nl/~jonkr/
* Modified by Dynamic Drive for minor changes
* Script featured/ available at Dynamic Drive- http://www.dynamicdrive.com
* Please keep this notice intact
***********************************************/
function textCounter(field,counter,maxlimit,linecounter) {
	// text width//
	var fieldWidth =  parseInt(field.offsetWidth);
	var charcnt = field.value.length;        
	// trim the extra text
	if (charcnt > maxlimit) { 
		field.value = field.value.substring(0, maxlimit);
	} else { 
	// progress bar percentage
	var percentage = parseInt(100 - (( maxlimit - charcnt) * 100)/maxlimit) ;
	document.getElementById(counter).style.width =  parseInt((fieldWidth*percentage)/100)+"px";
	document.getElementById(counter).innerHTML="Limit: "+percentage+"%"
	// color correction on style from CCFFF -> CC0000
	setcolor(document.getElementById(counter),percentage,"background-color");
	}
}

function setcolor(obj,percentage,prop){
	obj.style[prop] = "rgb(80%,"+(100-percentage)+"%,"+(100-percentage)+"%)";
}

function setRadioValue(control, controlValue) {
	for (var i = 0; i < control.length; i++) {
		if (control[i].value == controlValue) {
			control[i].checked = true;
			break;
		}
	}
}

function isNumber(value) {
  return (parseInt(value) == value);
}

function checkZip() {
	if (this.document.forms.locator.user_zip_code.value.length != 5 || isNumber(this.document.forms.locator.user_zip_code.value) == false) {
		alert("Please enter a valid 5 digit zip code.")
		return false;
	}
}

function toggle_display(el) {
	if (document.getElementById(el).style.display == 'none') {
		document.getElementById(el).style.display = 'block';
	} else {
		document.getElementById(el).style.display = 'none';
	}
}

function hideSelects() {
	formSelects = document.getElementsByTagName('select');
	for (j=0; j<formSelects.length; j++) {
		formSelects[j].style.visibility = 'hidden';
	}
}

function showSelects() {
	formSelects = document.getElementsByTagName('select');
	for (j=0; j<formSelects.length; j++) {
		formSelects[j].style.visibility = 'visible';
	}
}

/* Added for Omniture Tracking of Product Add Clicks */

function OmnitureProductAdd(category, name, qty, price) {
	var s=s_gi(s_account);
	s.events="scAdd";
	//s.products is ALWAYS in the format "category, name, quantity, price" -- cannot define order of fields
	//s.products=";Product;Qty;Price[,;" + name + ";" + qty + ";" + price + "]";
	s.products=category + ";" + name + ";" + qty + ";" + price;
	s.tl(this,'o','Add to Cart');
}

function addBookmarkForBrowser() {
	if (document.all) {
		window.external.AddFavorite(location.href, document.title);
	} else {
		window.sidebar.addPanel(document.title, document.location.href,'');
	}
}