operate form

operate.js

$(function(){
	
	var titleSelecter = $("#title");
	var codeSelecter = $("#code");
	var errorMsg = "Empty!";

		

	$("#submit").click(function(){
		if ( titleSelecter.val().length == 0 ){
			titleSelecter.val(errorMsg)
					.css("color","yellow");
		}
		else if ( codeSelecter.val().length == 0 ){
			codeSelecter.val(errorMsg)
					.css("color","yellow");
		}
		else if ( (titleSelecter.val() == errorMsg) || (titleSelecter.css("color") == "rgb(255, 255, 0)") ){
			alert("titleにエラーメッセージがあります");
		} 
		else if ( (codeSelecter.val() == errorMsg) || (codeSelecter.css("color") == "rgb(255, 255, 0)") ){
			alert("sourceにエラーメッセージがあります");
		}
		else if ( $("#tag").val().search("　") != -1 ) {
			while ( $("#tag").val().search("　") != -1 ) {
				$("#tag").val( $("#tag").val().replace("　"," ") );
			}
			$("form").submit();
		}
		else if ( (titleSelecter.val().length != 0) && (codeSelecter.val().length != 0) ){
			$("form").submit();
		}
		else {
			$("form").submit();
		}
	});

	titleSelecter.click(function(){
		if ( (titleSelecter.val() == errorMsg) && (titleSelecter.css("color") == "rgb(255, 255, 0)") ) {
			titleSelecter.val("").css("color","#fff");
		}
	});

	codeSelecter.click(function(){
		if ( (codeSelecter.val() == errorMsg) && (codeSelecter.css("color") == "rgb(255, 255, 0)") ) {
			codeSelecter.val("").css("color","#fff");
		}
	});


	var tagSelecter = $("#tag");
	var msg = "半角スペースで区切って入力してください";
	if ( tagSelecter.val().length == 0 ) {
		tagSelecter.val(msg).css("color","#ccc");
	}
	tagSelecter.click(function(){
		if (tagSelecter.val() == msg) {
			tagSelecter.val("").css("color","#fff");
		}
	});

});