function image_contact() {
if (document.all)
var xMax = screen.width, yMax = screen.height;
else
if (document.layers)
var xMax = window.outerWidth, yMax = window.outerHeight;
else
var xMax = 1024, yMax=768;
var xOffset = (xMax - 800)/2, yOffset = (yMax - 600)/2;
window.open('contact.php','contact',
'width=620,height=380,scrollbars=yes,resizable=yes, screenX='+xOffset+',screenY='+yOffset+',top='+yOffset+',left='+xOffset+'');
}

function image_nimes() {
if (document.all)
var xMax = screen.width, yMax = screen.height;
else
if (document.layers)
var xMax = window.outerWidth, yMax = window.outerHeight;
else
var xMax = 1024, yMax=768;
var xOffset = (xMax - 800)/2, yOffset = (yMax - 600)/2;
window.open('contact-nimes.php','nimes',
'width=620,height=380,scrollbars=yes,resizable=yes, screenX='+xOffset+',screenY='+yOffset+',top='+yOffset+',left='+xOffset+'');
}

function image_bordeaux() {
if (document.all)
var xMax = screen.width, yMax = screen.height;
else
if (document.layers)
var xMax = window.outerWidth, yMax = window.outerHeight;
else
var xMax = 1024, yMax=768;
var xOffset = (xMax - 800)/2, yOffset = (yMax - 600)/2;
window.open('contact-bordeaux.php','bordeaux',
'width=620,height=380,scrollbars=yes,resizable=yes, screenX='+xOffset+',screenY='+yOffset+',top='+yOffset+',left='+xOffset+'');
}

function image_mentions() {
if (document.all)
var xMax = screen.width, yMax = screen.height;
else
if (document.layers)
var xMax = window.outerWidth, yMax = window.outerHeight;
else
var xMax = 1024, yMax=768;
var xOffset = (xMax - 800)/2, yOffset = (yMax - 600)/2;
window.open('central-parts-mentions.html','mentions',
'width=620,height=500,scrollbars=yes,resizable=yes, screenX='+xOffset+',screenY='+yOffset+',top='+yOffset+',left='+xOffset+'');
}