function submitf(checkb) 
{
	svar = false;	
	if (checkb == 'check')
	{
		len = document.form1.os0.length;
		if (len > 0)
		{
			for (i = 0; i <len; i++)
			{
				if (document.form1.os0[i].checked)
				{
					svar = true;
				}
			}
		}
		else
		{
			document.form1.os0.checked = true;
			svar = true;
		}
		if (svar)
		{	  	
			document.form1.submit();
		}else{
			alert("Please choose size.");
		}
	}
	else
	{
		document.form1.submit();
	}
	
}
function submitf2() 
{
	document.form2.submit() ;
}