/*
 * This function keeps track of the checkboxes and makes sure 
 * that the submit button is correctly disabled or enabled
 */
<!--

document.productCategories.submit.disabled=true;

function submitControl(checkbox) {	
	checkBox = document.getElementById("checkboksit").firstElementChild.firstElementChild.firstElementChild.firstElementChild.firstElementChild.firstElementChild;
	//alert(checkBox.nextElementSibling.nextElementSibling.nextElementSibling.checked);
    allUnchecked = true;

    for (i = 0; i < 22; i++) {
	    if(checkBox.checked == true) {
			allUnchecked = false;
	    }
	    checkBox = checkBox.nextElementSibling.nextElementSibling.nextElementSibling;
    }
    checkBox = document.getElementById("checkboksit").firstElementChild.firstElementChild.firstElementChild.firstElementChild.firstElementChild.nextElementSibling.firstElementChild;
    for (i = 0; i < 21; i++) {
	    if(checkBox.checked == true) {
			allUnchecked = false;
	    }
	    checkBox = checkBox.nextElementSibling.nextElementSibling.nextElementSibling;
    }
    
    if (allUnchecked) {
    	document.productCategories.submit.disabled=true;
    }
    else {
    	document.productCategories.submit.disabled=false;
    }
}
-->