var company_blank=true;

function switchImage(newImage)
{
	document.getElementById('catalog_bigpicture').innerHTML = newImage;
	return false;
}

function shop(url)
{
	window.open(url, '_blank', 'width=300, height=400');
	return false;
}

function toggleHowto()
{
	(document.getElementById('footer_how_to').className == 'block_visible')?
	document.getElementById('footer_how_to').className = 'block_hidden':
	document.getElementById('footer_how_to').className = 'block_visible';
}

function toggleInputs(elem)
{
	divs=elem.getElementsByTagName('div');
	for (i=0;i<divs.length;i++)
	{
		div=divs.item(i);
		inps=div.getElementsByTagName('input');
		if (inps.length<2) {continue}
		else
		{
			if (inps.item(0).checked)
			{
				inps.item(1).disabled=false;
				inps.item(1).focus();
			}
			else
			{
				inps.item(1).disabled=true;
			}
		}
	}
}

function company_changed(elem)
{
  if (company_blank)
  {
    document.getElementById('folder_id').selectedIndex=0;
    company_blank=false;
  }
}

function disableSelection(target){
if (typeof target.onselectstart!="undefined") //IE route
	target.onselectstart=function(){return false}
else if (typeof target.style.MozUserSelect!="undefined") //Firefox route
	target.style.MozUserSelect="none"
else //All other route (ie: Opera)
	target.onmousedown=function(){return false}
target.style.cursor = "default"
}