function send() {
	
	var opObjVal;
	var n = document.search_form.p_kikan_fr.options.length;
	
	for(i=0;i < n;i++){
		opObjVal = document.search_form.p_kikan_fr.options[i].value;
		}

	if(document.search_form.p_kikan_fr.value != opObjVal){
		document.search_form.p_kikan_to.value = document.search_form.p_kikan_fr.value;
	}
	else{
		document.search_form.p_kikan_to.value = "";
	}
	var name = 'SAS_VARS_TYPE';
	var value = '検索';
	var expires = 0;
	var path = '/';
	var domain = 'hankyu-travel.com';
	var secure = '';
	document.cookie = name + "=" + encodeURI (value) +
	((expires) ? "; expires=" + expires : "") +
	((path) ? "; path=" + path : "") +
	((domain) ? "; domain=" + domain : "") +
	((secure) ? "; secure" : "");

	document.search_form.submit();
}