left = 215;
right = 701;
layoutinit = function ()
{	
	document.getElementById('header').style.width = '100%';
	maxwidth = document.body.offsetWidth;
	//if(maxwidth > 1279) maxwidth = 1279;
	if(maxwidth < document.getElementById('menu').offsetWidth-1) maxwidth = document.getElementById('menu').offsetWidth-1;
	leftpart = document.getElementById('header_left');
	rightpart = document.getElementById('header_right');
	//alert(maxwidth)
	while((left+right+363) < maxwidth)
		{
			if(left<215 || (left>214&&right>700)) left++;
			right++;
		}
	while((left+right+363) >maxwidth)
		{
			if(left>0) left--;
			if(right>0) right--;
			
		}
	document.getElementById('header').style.width=left+363+right+'px';
	leftpart.style.width=left+'px';
	rightpart.style.width=right+'px';
}