//****************************************
// GENERAL FUNCTIONS
//****************************************
function newGo(box) {
	if ((-1 < box.selectedIndex) && (box.options[box.selectedIndex].value != 'nil')) {
		val = box.options[box.selectedIndex].value;
		window.open (val,'_top');
	}
}

function imgOn(imgName) {
	if (rollovers) {
		document[imgName].src = eval(imgName + "_on.src");
	}
}    

function imgOff(imgName) {
	if (rollovers) {
		document[imgName].src = eval(imgName + "_off.src");
	}
} 

function FormatNumber(expr, decplaces) {
	var str = "" + Math.round(eval(expr) * Math.pow(10,decplaces));
	
	while (str.length <= decplaces) {
		str = "0" + str;
	}
	
	var decpoint = str.length - decplaces;
	
	return str.substring(0,decpoint) + "." + str.substring(decpoint, str.length);
}

function trim (str) {
	while (str.charAt(0) == ' ') {
		str = str.substring(1);
	}
	
	while (str.charAt(str.length - 1) == ' ') {
		str = str.substring(0, str.length - 1);
	}
	
	return str;
}

function isValidDate(sDate) {
	//Check to make sure two slashes are present in the date provided
	if (sDate.lastIndexOf('/') <= sDate.indexOf('/')) {
		return false;
	}

	//Split on slash
	sDateArray = sDate.split('/');
	
	sMonth = sDateArray[0];
	sDay = sDateArray[1];
	sYear = sDateArray[2];
	
	//Validate year part
	if (isNaN(sYear)) {
		return false;
	}
	
	if (sYear.length == 2) {
		sYear = parseInt('20' + sYear);
	} else {
		if (sYear.length != 4) {
			return false;
		}
	}
	
	if (sDay <= daysInMonth(sMonth, sYear)) {
		return true;
	} else {
		return false;
	}
}
	
function isLeapYear(yr) {
	if      (yr % 4 != 0)   return false;
	else if (yr % 400 == 0) return true;
	else if (yr % 100 == 0) return false;
	else                    return true;
}

function daysInMonth(mn, yr) {
	var mDay;
	
	if ((mn == 4) || (mn == 6) || (mn == 9) || (mn == 11)) { 
		mDay = 30;
	} else if (mn == 2) {
		//calling leap year function 
		mDay = isLeapYear(yr) ? 29 : 28;    
	} else {
		mDay = 31;
	}
	
	return mDay; 
}

function getRadioValue(objRadio) {
	var itemChecked = false;
	
	//Only consider returning a value if the radio object is valid
	if (objRadio) {
		for (var i=0; i < objRadio.length; i++) {
			if (objRadio[i].checked) {
				itemChecked = true;
				return objRadio[i].value;
			}
		}
		
		if (itemChecked === false) {
			return '';
		}
	} else {
		return '';
	}
}

function reloadCaptcha(root) {
	var captchaImage = document.getElementById('captcha');
	var captchaInput = document.getElementById('captchaCode');
	
	captchaImage.src = root + 'inc/securimage/show.php?t=' + Math.random();
	captchaInput.value = '';
	captchaInput.focus();
	
	return false;
}