function checkemail(email){
	this.email		= email;
	
	this.checkemailplease = checkemailplease;
}

var firstTimer = new checkemail("document.plaster.email");
var twoTimer = new checkemail("document.plaster.r_email");
var threeTimer = new checkemail("document.plaster.s_email");

function checkemailplease(){
	EmailField = eval(this.email);
	var crab = EmailField.value.indexOf("@", 0);
	if (EmailField.value ==""){
		alert("\u8BF7\u8F93\u5165\u7535\u90AE\u5730\u5740\uFF08\u6BD4\u5982;worker@company.com\uFF09")
		EmailField.focus()
		return false;
	}else if (crab == -1){
		alert("\u60A8\u5FC5\u987B\u8F93\u5165\u57DF\u540D\uFF08\u6BD4\u5982;worker@company.com\uFF09;")
		EmailField.focus()
		EmailField.select()
		return false;
	}else if (EmailField.value.indexOf(".", crab) == -1){
		alert("\u60A8\u5FC5\u987B\u8F93\u5165\u57DF\u540D\u540E\u7F00\uFF08\u6BD4\u5982;worker@company.com\uFF09")
		EmailField.focus()
		EmailField.select()
		return false;
	}else if (EmailField.value.indexOf(" ", 0) > -1){
		alert("Please remove all spaces from your email address.\n\nThank you.")
		EmailField.focus()
		EmailField.select()
		return false;
	}else{
		return true;
	}
}