function openwindow(ron) 
{
window.open("product_descriptions.asp#"+ron,"none","width=475, height=450, scrollbars=yes, left=183, top=206")
}
function guarantee() 
{
window.open("/guarantee.asp","none","width=420, height=350, left=183, top=206")
}
function closewindow(ron)
{
window.close(ron)
}