<!--

	function preSubmit() {
		
		formLen = document.forms[0].elements.length;
		var check = true;
		for (i=0;i<formLen;i++) {
			var formObject = document.forms[0].elements[i];
			if (formObject.type == "file") {
				if (formObject.value != "") {
					formObject.style.visibility='hidden';
					formObject.insertAdjacentHTML("beforeBegin","<div id=\"adja\" style=\"position:absolute;\" height=10></div>");
					adja.innerHTML='Bestanden worden opgehaald.';
				} 
			}
			stringArray = document.forms[0].elements[i].name.split("required_");
			if (stringArray[1] != undefined) {
				if (formObject.value == "") {
					formObject.style.borderColor='red';
					check = false;
				} else {
					formObject.style.borderColor='black';
				}
			}
		}

		if (check) {
			return true;
		} else {
			return false;
		}

	}

//-->