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/* --- Auxiliary functions -------------------------------------------------- */
function langpart(conc,abs) { // langpart("FoodsEng","Foods") == "Eng"
return hasPrefix(conc,abs) ? conc.substr(abs.length) : conc;
}
function update_language_menu(menu,grammar) {
// Replace the options in the menu with the languages in the grammar
var lang=grammar.languages;
menu.innerHTML="";
for(var i=0; i<lang.length; i++) {
var ln=lang[i].name;
if(!hasPrefix(ln,"Disamb")) {
var lp=langpart(ln,grammar.name);
menu.appendChild(option(lp,ln));
}
}
}
function button_img(url,action) {
var i=img(url);
i.setAttribute("class","button");
i.setAttribute("onclick",action);
return i;
}
function toggle_img(i) {
var tmp=i.src;
i.src=i.other;
i.other=tmp;
}
function setField(form,name,value) {
form[name].value=value;
var el=element(name);
if(el) el.innerHTML=value;
}
function open_popup(url,target) {
var w=window.open(url,target,'toolbar=no,location=no,status=no,menubar=no');
w.focus();
}
function opener_element(id) { with(window.opener) return element(id); }
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