/* scripts for rollovers */

function preload(imgObj,imgSrc) {
   eval(imgObj+' = new Image()')
   eval(imgObj+'.src = "'+imgSrc+'"')
}


preload('home_on','images/b_home_r.gif');
preload('home_off','images/b_home.gif');

preload('about_on','images/b_about_r.gif');
preload('about_off','images/b_about.gif');

preload('services_on','images/b_services_r.gif');
preload('services_off','images/b_services.gif');

preload('showcase_on','images/b_showcase_r.gif');
preload('showcase_off','images/b_showcase.gif');

preload('careers_on','images/b_careers_r.gif');
preload('careers_off','images/b_careers.gif');

preload('contact_on','images/b_contact_r.gif');
preload('contact_off','images/b_contact.gif');


function img_toggle( imgName, mode ) {
   
   if( document.images ) {
      document[ imgName ].src = eval( imgName + "_" + mode + ".src" );
   }

}





/* script for popup window */

function showPopup( width, height, file) {
	x = (640 - width)/2, y = (480 - height)/2;

	if (screen) {
	y = (screen.availHeight - height)/2;
	x = (screen.availWidth - width)/2;
	}
	if (screen.availWidth > 1800) {
	x = ((screen.availWidth/2) - width)/2;
	}

   	var newWindow =

	window.open(file,'','width='+width+',height='+height+',screenX='+x+',screenY='+y+',top='+y+',left='+x+',scrollbars=yes,resizable=yes,toolbar=no,menubar=no,status=no');

}