function disp(url){ 
window.open(url, "window_name", "width=500,height=470,scrollbars=no"); 
}

function disp2(url){ 
window.open(url, "window_name", "width=520,height=600,scrollbars=yes"); 
}

function disp3(url){ 
window.open(url, "window_name", "width=520,height=400,scrollbars=no"); 
}

function disp4(url){ 
window.open(url, "window_name", "width=520,height=190,scrollbars=no"); 
}

function disp5(url){ 
window.open(url, "window_name", "width=465,height=500,scrollbars=no"); 
}