wanting search results to open in target frame

Hello everyone i am wanting the search results for my Js search engine to open into a target frame named "main" and i cant figure out how to do it any help is apreciated here is the code below very short




// ---------- script properties ----------


var results_location = "results.html";


// ---------- end of script properties ----------


function search_form(jse_Form) {
if (jse_Form.d.value.length > 0) {
document.cookie = "d=" + escape(jse_Form.d.value);
window.location = results_location;
}
}