function getWidth()
{
	send = document.compatMode=='CSS1Compat' && !window.opera?document.documentElement.clientWidth:document.body.clientWidth;
	if(send<=1000)
	{	
		document.getElementById('ptvz').style.width="1000px";
	}else{
		document.getElementById('ptvz').style.width="100%";
	}
}