.glass1 {
	background-image:  url(../images/glass/BGglass1.jpg);
	background-repeat: no-repeat;
}
.glass3 {
	background-image:  url(../images/glass/BGglass3.jpg);
	background-repeat: no-repeat;
}
.glass4 {
	background-image:  url(../images/glass/BGglass4.jpg);
	background-repeat: no-repeat;
	background-position: right top;

}
.glass5 {
	background-image:  url(../images/glass/BGglass5.jpg);
	background-repeat: no-repeat;
}
.glass2 {
	background-image:  url(../images/glass/BGglass2.jpg);
	background-repeat: no-repeat;
}
.optics {
	background-image:  url(../images/glass/optics.jpg);
	background-repeat: no-repeat;
}
.glass22 {
	background-image: url(../images/glass/glass2_image2.jpg);
	background-repeat: no-repeat;
	background-position: right top;

}
.glass42 {
	background-image: url(../images/glass/BGglass4_2.gif);
	background-repeat: no-repeat;
	background-position: center center;
}