function changeView( form ) {
		var length = form.releasetype.length;
		var selected = form.releasetype;
		if (length != undefined) {
		  	for(var i = 0; i < length; i++) {
				if( selected[i].checked ) {
					if( document.getElementById( selected[i].value ) ) {
			     		document.getElementById( selected[i].value ).style.display = "block";
			    	}
				} else {
					if( document.getElementById( selected[i].value ) ) {
		    			document.getElementById( selected[i].value ).style.display = "none";
		    		}
			    }
		  	} 
	  	}
	}