<!--
		
	function sendMail(formName,must){
		var caution = "";
		var errorflag = 0;
		// check
		for(i=0;i<document.forms[formName].length ;i++){
			if(document.forms[formName].elements[i].name.indexOf("email",0) > -1 && document.forms[formName].elements[i].value != ""){
				// check
				chkMail = document.forms[formName].elements[i].value;
				check = /.+@.+\..+/;
				if (!chkMail.match(check)){
					errortext = document.forms[formName].elements[i].name.replace(must,"")
					caution = caution + errortext +" is not correct\n";
					errorflag = 2;
				}
			}
			else if(document.forms[formName].elements[i].name.indexOf(must,0) > -1 && document.forms[formName].elements[i].value == ""){
				// check
				errortext = document.forms[formName].elements[i].name.replace(must,"");
				errortext = errortext.replace("_","");
				caution = caution + errortext +" is a uninput\n";
				errorflag = 1;
			}
		}
		
		if(errorflag == 0){
			return true;
		}
		else{
			caution = "TYPE "+errorflag+" ERROR\n"+caution;
			alert(caution);
			return false;
		}
	}
//-->