function leftnav(thecat) {
var place = document.getElementById(thecat).style;
if ((place.display == 'none') || (place.display == '')) {
place.display = 'block';
}
else {
place.display = 'none';
}
}
function purchase(ptype) {
thelabel = 'label' + ptype;
selectbox = ptype + 'opt1';
printtype = 'print' + ptype;
printtemp = document.getElementById(printtype);
printtype = printtemp.options[printtemp.selectedIndex].text;
submitter = 'subm' + ptype;
submitter = document.getElementById(submitter);
if(printtype == 'Framed') {
submitter.className='subbutt2';
submitter.value='';
document.getElementById(selectbox).selectedIndex = 1;
document.getElementById(selectbox).style.display='none';
}
else {
submitter.className='subbutt';
document.getElementById(selectbox).style.display='inline';
hidden = 'hidden' + ptype;
hidden = document.getElementById(hidden).value;
var pricesize = hidden.split("/");
var dropopts = '';
dropopts += '<select id="' + selectbox + '" name="price1"><option>Select Size</option>';
for (x=0; x<(pricesize.length-1); x++){//-1 for trailing slash
var solos = pricesize[x].split(" = $");
dim = solos[0];
price = solos[1];
if(printtype == 'On Canvas' || printtype == 'Stretched Canvas') { // canvas
if(printtype == 'On Canvas'){price1 = 2.5;price2 = 2.63;price3 = 2.88;}
if(printtype == 'Stretched Canvas'){price1 = 4;price2 = 4.25;price3 = 4.5;}
var inches = dim.split("x");
width = parseFloat(inches[0]);
height = parseFloat(inches[1]);
ui = width + height;
if(ui < 75){price = ui * price1;}
if(ui >= 75 && ui < 90){price = ui * price2;}
if(ui >= 90){price = ui * price3;}
if(printtype == 'Stretched Canvas') {
if(ui <=60){shippingcost=ui * 0.5;}else{shippingcost=ui * 1.25}
price = price + shippingcost;
if(document.getElementById('stretchhold')) {
document.getElementById('stretchhold').className='stretched';
}
}
price = price.toFixed(2);
} // end canvas
dropopts += '<option value="' + price + '">' + dim + ' = $' + price + '</option>';
}
dropopts += '</select>';

document.getElementById(thelabel).innerHTML=dropopts;
}
if(printtype != 'Stretched Canvas') {
if(document.getElementById('stretchhold')) {
document.getElementById('stretchhold').className='';
}
}
}

function checksize(theone) {
getoption = theone + 'opt1';
onoption = document.getElementById(getoption).selectedIndex;
if (onoption == 0) {
alert('Please select a size before proceeding!');
return false;
}
else {
printtype = 'print' + theone;
printtemp = document.getElementById(printtype);
printtype = printtemp.options[printtemp.selectedIndex].text;
if(printtype == 'On Canvas'){prodtype='(Canvas) ';}
if(printtype == 'Stretched Canvas'){prodtype='(Stretched Canvas) ';}
prod = 'product' + theone;
prodname = document.getElementById(prod).value;
document.getElementById(prod).value = prodtype + prodname;
return true;	
}
}