function float_window () {
cWidth=document.body.clientWidth;
cHeight=document.body.clientHeight;
sTop=document.body.scrollTop;
with(document.getElementById('contacts'))
	{width=638;
	 height=426;
	 style.visibility='visible';
	 style.left=(cWidth-width)/2;
	 style.top=((cHeight-height)/2)+sTop;
	}
}

function comment () {
cWidth=document.body.clientWidth;
cHeight=document.body.clientHeight;
sTop=document.body.scrollTop;
with(document.getElementById('comment'))
	{width=638;
	 height=446;
	 style.visibility='visible';
	 style.left=(cWidth-width)/2;
	 style.top=((cHeight-height)/2)+sTop;
	}
}

function idea () {
cWidth=document.body.clientWidth;
cHeight=document.body.clientHeight;
sTop=document.body.scrollTop;
with(document.getElementById('idea'))
	{width=638;
	 height=445;
	 style.visibility='visible';
	 style.left=(cWidth-width)/2;
	 style.top=((cHeight-height)/2)+sTop;
	}
}

function ask_question () {
cWidth=document.body.clientWidth;
cHeight=document.body.clientHeight;
sTop=document.body.scrollTop;
with(document.getElementById('question'))
	{width=638;
	 height=415;
	 style.visibility='visible';
	 style.left=(cWidth-width)/2;
	 style.top=((cHeight-height)/2)+sTop;
	}
}