function setOpacity(obj, opacity) 
{
 opacity = (opacity == 100)?99.999:opacity; 
 obj.style.filter = "alpha(opacity:"+opacity+")"; 
 obj.style.KHTMLOpacity = opacity/100;  
 obj.style.MozOpacity = opacity/100;
 obj.style.opacity = opacity/100;
}

function check(url)
{
	ajaxRequestPost(url,'ajax',0,document.send,'check_error()');
}

var old_errors=new Array();

function check_error()
{
	errors=document.getElementById('ajax').innerHTML;
	//alert(errors);
	teile=errors.split('|');
	
	for(key in old_errors)
	if(old_errors[key])
	{
		if (document.getElementById(key))
		{
			if (old_errors[key]!=1)
				document.getElementById(key).className=old_errors[key];
			else
				document.getElementById(key).className='no_error';
		}
		old_errors[key]=0;
	}
	
	for(i in teile)
	if (teile[i])
	{
		if (document.getElementById(teile[i]))
		{
			old_errors[teile[i]]=document.getElementById(teile[i]).className;
			if (!old_errors[teile[i]]) old_errors[teile[i]]=1;
			document.getElementById(teile[i]).className='error';
			
		}
	}
	if (teile[0]=='ok')
	{
		teile[1]=teile[1].replace('&','&');
		location.href=teile[1];
	}
}

function ajax_popup(obj)
{
	ajaxRequest(obj.href.replace('inhalt=','inhalt=ajax_'),'ajax_fenster',0,'','document.getElementById(\'ajax_fenster\').style.display=\'block\';');
}