function onionregister_check(el) {
	
	var d = [document.getElementById("customfields_1"),document.getElementById("customfields_2")];
	
	if (el.value == "interest_laboratory") {
		
		if (d[0].style.dispplay != "table-row") {
			
			var g = d[1].childNodes[1];
			var i,h;
			
			for(i=0;h=g.childNodes[i];i++) {
				if (h.nodeType != 3) {
					if (h.tagName.toLowerCase() == "input") {
						h.checked = false;
					}
				}
			}
		}
		
		d[0].style.display = "table-row";
		d[1].style.display = "table-row";
		
	} else {
		
		d[0].style.display = "none";
		d[1].style.display = "none";
		
	
		
	}
	
}