function changeit(id) {
	var blID = document.getElementById(id);
	if(blID.className == '')blID.className=("active");
	else blID.className=('');
	if (navigator.userAgent.indexOf ("MSIE 6") != -1) {
		var blok = document.getElementById("layout");
		blok.style.height = 100 + "%";
		var x = blok.offsetHeight;
		document.getElementById("bg-right").style.height = x + "px";
		document.getElementById("footer").style.display = "none";
		document.getElementById("footer").style.display = "block";
	}
}; 


function checkDis()
{
	document.getElementById('registok').disabled='';
}