function chkbox1()
{
	
	if (document.all('optbackup2').checked==true)
	document.all('optbackup2').checked=false;
	
	if (document.all('optbackup1').checked==false)
		alert ('With this Option we will keep a copy of your product license information if you need it re-sent to you for any reason in certain amount of months up from the day of your purchase.');
	
}

function chkbox2()
{
	if (document.all('optbackup1').checked==true)
	document.all('optbackup1').checked=false;
	
	if (document.all('optbackup2').checked==false)
		alert ('With this Option we will keep a copy of your product license information if you need it re-sent to you for any reason in certain amount of months up from the day of your purchase.');
	
}
function chkselected5()
{
	if (document.all('volume5').checked==true)
	{
		document.all('volume2').checked=false;
		document.all('volume6').checked=false;
	}
}
function chkselected6()
{
	if (document.all('volume6').checked==true)
	{
		document.all('volume2').checked=false;
		document.all('volume5').checked=false;
	}
}

function chkselected8()
{
	if (document.all('volume8').checked==true)
	{
		document.all('volume2').checked=false;
	}
}
function chkselected9()
{
	if (document.all('volume9').checked==true)
	{
		document.all('volume2').checked=false;
	}
}
function chkselected10()
{
	if (document.all('volume10').checked==true)
	{
		document.all('volume2').checked=false;
	}
}
function chkselected11()
{
	if (document.all('volume11').checked==true)
	{
		document.all('volume2').checked=false;
	}
}

function chkselected2()
{
	if (document.all('volume2').checked==true)
	{
		document.all('volume5').checked=false;
		document.all('volume6').checked=false;
	}
}

function showcdrom(rad)
{
	switch(rad)
	{
		case 1:
		{
		document.all('cdromoption1').style.display='none';	
		document.all('cdromoption2').style.display='none';
		break;
		}
		case 2:
		{
		document.all('cdromoption1').style.display='';	
		document.all('cdromoption2').style.display='';	
		break;
		}
		default:
		{
		document.all('cdromoption1').style.display='none';	
		document.all('cdromoption2').style.display='none';
		}
	}
	
}

function changetotal() {
	var	total=0
	if(document.all('volume2').checked==true)
		total+=69.95;
	if(document.all('freeup2').checked==true)
		total+=34.99;
	if(document.all('volume5').checked==true)
		total+=39.95;
	if(document.all('freeup5').checked==true)
		total+=19.99;
	if(document.all('volume6').checked==true)
		total+=39.95;
	if(document.all('freeup6').checked==true)
		total+=19.99;
	if(document.all('optbackup1').checked==true)
		total+=5.99;
	if(document.all('optbackup2').checked==true)
		total+=9.99;
	if(document.all('cdrom').checked==true)
		total+=14.95;
	
	if(document.all('volume8').checked==true)
		total+=149.95;
	if(document.all('freeup8').checked==true)
		total+=79.99;
	if(document.all('volume9').checked==true)
		total+=1499.95;
	if(document.all('freeup9').checked==true)
		total+=399.99;
	if(document.all('volume10').checked==true)
		total+=149.95;
	if(document.all('freeup10').checked==true)
		total+=79.99;
	if(document.all('volume11').checked==true)
		total+=1499.95;
	if(document.all('freeup11').checked==true)
		total+=399.99;
		
	total=Number(total).toFixed(2);
	document.getElementById('total').innerHTML='US$'+total;
}

function showvolume()
{
	if (document.all('volumeoption').style.display=='none')
		document.all('volumeoption').style.display='';
	else
		document.all('volumeoption').style.display='none';
	
}