var supportsKeys = false;

function calcCharLeft(NidTxt,NidCounter,Nmax)
{
document.all[NidCounter].innerText = Nmax;
if (document.all[NidTxt].value.length > Nmax)
	{
	document.all[NidTxt].value = document.all[NidTxt].value.substring(0,Nmax)
	charleft = 0
    }
else
	{
	charleft = Nmax - document.all[NidTxt].value.length
	}
document.all[NidCounter].innerText = charleft
}

function textKey(idTxt,idCounter,max) 
{
if (document.all[idCounter] == 0) 
	{}
else	
	{
	supportsKeys = true
	calcCharLeft(idTxt,idCounter,max)
	}
}