function openWindow1(url)
{
window.name = "main_window";
popUp=window.open(url, '', 'scrollbars,resizable,width=520,height=380,left=5,top=5')
}

function openWindow2(url)
{
window.name = "main_window";
popUp=window.open(url, '', 'scrollbars,resizable,width=470,height=620,left=3,top=3')
}

function ClearTextOffTextField(thetextfield){ 
if (thetextfield.defaultValue==thetextfield.value) thetextfield.value =  "" }