var IFdims = new Array(null,100,200,300,400,500,600,700,800,900,1000,1100,1200,1300,1400,1500,1600,1700,1800); 

function setRes(which) { 
frames['index'].resizeTo(770,IFdims[which]); 
} 

function setRes1(which){
frames['index'].resizeTo(770,IFdims[which]);
closeallmenus();
}