function hover_menu(imagename, imagefile)
{

hover_img = eval('document.' + imagename);
hover_img.src = imagefile;

}
function winBigOpen(url){myWin=open("","winName","width=500,height=500,status=no,toolbar=no,menubar=no,scrollbars=yes"); return true; }
function winBiggerOpen(url){myWin=open("","winName","width=750,height=500,status=no,toolbar=no,menubar=no,scrollbars=yes"); return true; }
function winBigOpenTools(url){myWin=open("","winName","width=579,height=500,status=no,toolbar=yes,menubar=yes,scrollbars=yes"); return true; }