function reduceBlock(a,b,c,d){
document.getElementById('edittemplate').style.width = a;
document.getElementById('resize').style.width =b';
document.getElementById('reduce').style.display = c;
document.getElementById('increase').style.display = d;
}
reduceBlock("1150px","1150px", "none","inline");
//Эту строку запускаем при свертывании
reduceBlock("850px","850px","inline", "none");