$(function(){
	$("#compare_all").click(function(a) {
		$("#pc INPUT[type='checkbox']").attr("checked","checked");
	});
	
	$('#download_checked').click(function(e) {
		if ($("#pc INPUT[type='checkbox']:checked").length > 0) {
			$('#pc').attr('action','/corn/tools/datasheets/proc.php').submit();
		} else {
			alert('You must select at least one product');
		}
		e.preventDefault();
	});
	
	$('#download_all').click(function(e) {
		$("#pc INPUT[type='checkbox']").attr("checked","checked");
		$('#pc').attr('action','/corn/tools/datasheets/proc.php');
	});
});