function simple_window(image_name,width_size,height_size){
width_size = width_size+20
height_size = height_size+30
new_window=window.open("","","width="+width_size+",height="+height_size)
if (new_window){
new_window.focus()
new_window.document.open()
new_window.document.write("Big picture")
new_window.document.write("")
new_window.document.write('
')
new_window.document.write("")
new_window.document.close()
}
else
alert("Failed to open a new window!")
}