function w_open(name,window_name,window_width,window_height) {window.open(name, window_name, 'resizable=no,scrollbars=no,height='+window_height+',width='+(window_width-17)+',top='+(screen.availHeight-window_height)/2+',left='+(screen.availWidth-window_width)/2)}
function check() {window.open('mailto:moscow@aigroup.ru?subject=Request%20from%20PropertyShow.ru')}

// для главной

var openblock = "";
function changeDisplayState (id) {
	e=document.getElementById(id);
	if (openblock == e && openblock.style.display == 'block') {
		openblock.style.display = 'none';
	} else {
		if (openblock) { openblock.style.display = 'none'; }
		if (e.style.display == 'none' || e.style.display =="") {
			e.style.display = 'block';
		} else {
			e.style.display = 'none';
		}
		openblock = e;
	}
}