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("e\u30E1\u30FC\u30EB\u30A2\u30C9\u30EC\u30B9\u3092\u5165\u529B\u3057\u3066\u304F\u3060\u3055\u3044\u3002\uFF08\u4F8B\uFF1A;worker@company.com&#xFF09")
		EmailField.focus()
		return false;
	}else if (crab == -1){
		alert("\u30C9\u30E1\u30A4\u30F3\u540D\u306F\u5FC5\u305A\u5165\u529B\u3057\u3066\u304F\u3060\u3055\u3044\u3002\uFF08\u4F8B\uFF1A;work@COMPANY.com&#xFF09")
		EmailField.focus()
		EmailField.select()
		return false;
	}else if (EmailField.value.indexOf(".", crab) == -1){
		alert("\u30C9\u30E1\u30A4\u30F3\u30B5\u30D5\u30A3\u30C3\u30AF\u30B9\u3092\u5165\u529B\u3057\u3066\u304F\u3060\u3055\u3044\u3002\uFF08\u4F8B\uFF1A;worker@company.COM&#xFF09")
		EmailField.focus()
		EmailField.select()
		return false;
	}else if (EmailField.value.indexOf(" ", 0) > -1){
		alert("\u65317\u12513\u12540\u12523\u12450\u12489\u12524\u12473\u12395\u12399\u12473\u12506\u12540\u12473\u12434\u20837\u12428\u12378\u12395\u12372\u20837\u21147\u12367\u12384\u12373\u12356\u12290;")
		EmailField.focus()
		EmailField.select()
		return false;
	}else{
		return true;
	}
}