function detectscreen ()
{
	return (screen.width <= 1024) ? 'low_' : (screen.width > 1024 && screen.width < 1600) ? 'middle_' : 'full_';
}

function detectwinsize()
{
	return (screen.width <= 1024) ? {w: 800, h: 600} : (screen.width > 1024 && screen.width < 1600) ? {w: 1024, h: 768} : {w: 1600, h: 1200};
}

function findPos(element)
{
	var left = element.offsetLeft;
	var top = element.offsetTop;
	for (var parent = element.offsetParent; parent; parent = parent.offsetParent)
	{
		left += parent.offsetLeft - parent.scrollLeft;
		top += parent.offsetTop - parent.scrollTop;
	}
	return {left: left, top: top, width: element.offsetWidth, height: element.offsetHeight};
}

function setCoordPromt(promt, parent)
{
	var coords = findPos(document.getElementById(parent));

	document.getElementById(promt).style.left = coords.left + document.body.scrollLeft + 15;
	document.getElementById(promt).style.top = coords.top + document.body.scrollTop + 15;
}

function nWin(photo_src)
{
	var sizewin = detectwinsize();

	var newWin = window.open('', '_blank', 'height=' + sizewin.h + ', width=' + sizewin.w + ', scrollbars=1');

	newWin.document.write('<html><title>www.blagushin.ru</title><body style=\'margin: 0; padding: 0; background-color: #aaa; text-align: center; vertical-align: middle;\'><table style=\'margin:0; padding: 0;\' width=\'100%\' height=\'100%\'><tr><td align=\'center\'><img src=\'/uploads/files/' + detectscreen() + photo_src + '\' border=0 /></td></tr></table></body></html>');
	newWin.document.close();
}
