function imager(width, height, src, alt) {
	var params="width=" + width + ", height=" + height + ", top=50, left=50, resizable=no, scrollbars=no, toolbar=no, location=no, directories=no, status=no, menubar=no, copyhistory=no";
	var url="image.htm?"+ src + "&" + escape(alt);
	window.open(url, '', params);
}

function initOnDomLoaded() { // 2.0
	// captcha
	var tmp = document.getElementById('captcha_a');
	if(tmp) {
		document.getElementById('captcha_sum').value = parseInt(getElemText(tmp)) + parseInt(getElemText(document.getElementById('captcha_b')));
	}
}

function isDomLoaded() {
	(/loaded|complete/.test(document.readyState) ? initOnDomLoaded() : setTimeout(arguments.callee, 10));
}

if(document.addEventListener) {
	document.addEventListener('DOMContentLoaded', initOnDomLoaded, false); // firefox, opera9.02
	if((window.opera && window.opera.version() < 9.02) || /WebKit|Khtml/i.test(navigator.userAgent)) { // opera<9.02, safari, konqueror
		isDomLoaded();
	}
} else { // ie5,6,7
	initOnDomLoaded();
}


function blank(link) { // 1.0
	link.target='_blank';
}

function getElemText(el){ // 1.0
	if(el.textContent) return el.textContent;
	if(el.innerText) return el.innerText;
	return '';
}