function switch_input (element) {
	$(element).attr("value", "");
	$(element).removeClass('soft_field').addClass('field');
}


function switch_textarea (element) {
	$(element).attr("value", "");
	$(element).removeClass('soft_textarea').addClass('textarea');
}


function set_box_height(id) {
	var div = $("#box_" + id);
	
	var h_old = div.height();
	var h_new = (Math.ceil(h_old/10)+1) * 10;
	
	div.height(h_new);
	
	/* alert(id + "_" + h_old + "_" + h_new); */
}


function open_url(obj) {
	var link = obj.options[obj.selectedIndex].value;
	
	window.location.href = link;
}