function Link(URI1,F1) {
  Frame1=eval("parent."+F1);
  Frame1.location.href = URI1;
}

function LinkBack(URI1,F1) {
	if(parent.body.tfile){
  		Frame1=eval("parent."+F1);
  		tmp=Frame1.tfile;
		if(Frame1.prodid) tmp=tmp + "&prodid=" + Frame1.prodid;
		URI1=URI1 + "&back2=" + tmp ;
		Frame1.location.href = URI1;
	}
}

function Link2(URI1,F1,URI2,F2) {
  Frame1=eval("parent."+F1);
  Frame2=eval("parent."+F2);
  Frame1.location.href = URI1;
  Frame2.location.href = URI2;
}

function Back(F1) {
  Frame1=eval("parent."+F1);
  Frame1.history.back();
}
function Back2(F1,F2) {
  Frame1=eval("parent."+F1);
  Frame2=eval("parent."+F2);
  Frame1.history.back();
  if (!window.opera) window.setTimeout("Frame2.history.back()",10);
}

function Forward(F1) {
  Frame1=eval("parent."+F1);
  Frame1.history.forward();
}
function Forward2(F1,F2) {
  Frame1=eval("parent."+F1);
  Frame2=eval("parent."+F2);
  Frame1.history.forward();
  if (!window.opera) window.setTimeout("Frame2.history.forward()",10);
}