function GetSelectedItem() 
{

	chosen = ""
	len = document.all.vertelees.length
	
	for (i = 0; i <len; i++) 
	{
		if (document.all.vertelees[i].checked)
		{
			chosen = document.all.vertelees[i].value
		}
	}
	
	if (chosen == "lees" && document.all.pluspd.style.visibility == "visible") 
	{
		document.all.PDFar.style.visibility = "hidden";
		document.all.PDFar.selectedIndex = 0;
		document.all.PDNear.style.visibility = "visible";
	}
	if (chosen == "verte" && document.all.pluspd.style.visibility == "visible") 
	{
		document.all.PDFar.style.visibility = "visible";
		document.all.PDNear.style.visibility = "hidden";
		document.all.PDNear.selectedIndex = 0;
	}
	if (chosen == "lees" && document.all.minpd.style.visibility == "visible") 
	{
		document.all.PDFar1.style.visibility = "hidden";
		document.all.PDFar1.selectedIndex = 0;
		document.all.PDNear1.style.visibility = "visible";
	}
	if (chosen == "verte" && document.all.minpd.style.visibility == "visible") 
	{
		document.all.PDFar1.style.visibility = "visible";
		document.all.PDNear1.style.visibility = "hidden";
		document.all.PDNear1.selectedIndex = 0;
	}
	
}


function pdtype()
{
	if (document.all.pdrlselect.checked == true && document.all.pluspd.style.visibility == "visible")
	{
		document.all.MonoR.style.visibility = "visible";
		document.all.MonoL.style.visibility = "visible";
		document.all.MonoR1.style.visibility = "hidden";
		document.all.MonoL1.style.visibility = "hidden";
		document.all.PDNear1.style.visibility = "hidden";
		document.all.PDFar1.style.visibility = "hidden";
		document.all.PDFar1.selectedIndex = 0;
		document.all.PDNear1.selectedIndex = 0;
		document.all.MonoR1.selectedIndex = 0;
		document.all.MonoL1.selectedIndex = 0;
		document.all.PDFar.selectedIndex = 0;
		document.all.PDFar.disabled = true;
		document.all.PDNear.selectedIndex = 0;
		document.all.PDNear.disabled = true;
	}
	if (document.all.pdrlselect.checked == false && document.all.pluspd.style.visibility == "visible")
	{
		document.all.MonoR.style.visibility = "hidden";
		document.all.MonoL.style.visibility = "hidden";
		document.all.MonoR1.style.visibility = "hidden";
		document.all.MonoL1.style.visibility = "hidden";
		document.all.PDNear1.style.visibility = "hidden";
		document.all.PDFar1.style.visibility = "hidden";
		document.all.PDFar1.selectedIndex = 0;
		document.all.PDNear1.selectedIndex = 0;
		document.all.MonoR.selectedIndex = 0;
		document.all.MonoL.selectedIndex = 0;
		document.all.PDNear.disabled = false;
		document.all.PDFar.disabled = false;
	}
	if (document.all.pdrlselect1.checked == true && document.all.minpd.style.visibility == "visible")
	{
		document.all.MonoR1.style.visibility = "visible";
		document.all.MonoL1.style.visibility = "visible";
		document.all.MonoR.style.visibility = "hidden";
		document.all.MonoL.style.visibility = "hidden";
		document.all.PDNear.style.visibility = "hidden";
		document.all.PDFar.style.visibility = "hidden";
		document.all.PDFar1.selectedIndex = 0;
		document.all.MonoR.selectedIndex = 0;
		document.all.MonoL.selectedIndex = 0;
		document.all.PDFar1.disabled = true;
		document.all.PDNear1.selectedIndex = 0;
		document.all.PDNear1.disabled = true;
	}
	if (document.all.pdrlselect1.checked == false && document.all.minpd.style.visibility == "visible")
	{
		document.all.MonoR1.style.visibility = "hidden";
		document.all.MonoL1.style.visibility = "hidden";
		document.all.MonoR.style.visibility = "hidden";
		document.all.MonoL.style.visibility = "hidden";
		document.all.PDNear1.style.visibility = "hidden";
		document.all.PDNear.style.visibility = "hidden";
		document.all.PDFar.style.visibility = "hidden";
		document.all.MonoR1.selectedIndex = 0;
		document.all.MonoL1.selectedIndex = 0;
		document.all.PDNear1.selectedIndex = 0;
		document.all.PDNear.selectedIndex = 0;
		document.all.PDFar.selectedIndex = 0;
		document.all.PDNear1.disabled = false;
		document.all.PDFar1.disabled = false;
	}
}
function Makecolor()
{
	chosen = ""
	len = document.all.kleurglas.length
	
	for (i = 0; i <len; i++) 
	{
		if (document.all.kleurglas[i].checked)
		{
			chosen = document.all.kleurglas[i].value
		}
	}
	
	if (chosen == "Bruin") 
	{
		document.all.glasnaam.src = "http://sunglass.nl/Siteimage/bruinglas.jpg";
	}
	
	if (chosen == "Groen") 
	{
		document.all.glasnaam.src = "http://sunglass.nl/Siteimage/groenglas.jpg";
	}
	if (chosen == "Grijs") 
	{
		document.all.glasnaam.src = "http://sunglass.nl/Siteimage/grijsglas.jpg";
	}
	
	
	
	
	
}
function checkpd()
{
	var sfRe = document.all.SphR.value;
	var sfLi = document.all.SphL.value;
	var sfLi = sfLi.substr(0,1);
	var sfRe = sfRe.substr(0,1);
	if (sfRe == "-" && sfLi == "-" )
	{
		document.all.minpd.style.visibility= "visible";
		document.all.pluspd.style.visibility= "hidden";
		document.all.PDFar.selectedIndex = 0;
		document.all.PDNear.selectedIndex = 0;
		document.all.MonoR.selectedIndex = 0;
		document.all.MonoL.selectedIndex = 0;
		
	}
	if (sfRe == "+" || sfLi == "+" )
	{
		document.all.pluspd.style.visibility= "visible";
		document.all.minpd.style.visibility= "hidden";
		document.all.PDFar1.selectedIndex = 0;
		document.all.PDNear1.selectedIndex = 0;
		document.all.MonoR1.selectedIndex = 0;
		document.all.MonoL1.selectedIndex = 0;
		
	}
	
	GetSelectedItem();
	pdtype();
	
}