function gallery1() {
	url="./gallery1/index.html";
	open(url,"_blank","toolbar=no,status=no,height=864,resizable=yes,menubar=no,scrollbars=yes,width=1152");
}

 function gallery2() {
	url="./gallery2/index.html";
	open(url,"_blank","toolbar=no,status=no,height=864,resizable=yes,menubar=no,scrollbars=yes,width=1152");
}

 function gallery3() {
	url="./gallery3/index.html";
	open(url,"_blank","toolbar=no,status=no,height=864,resizable=yes,menubar=no,scrollbars=yes,width=1152");
}

 function gallery4() {
	url="./gallery4/index.html";
	hoch="height";
	breit="width";
	open(url,"_blank","toolbar=no,status=no,height='hoch',resizable=yes,menubar=no,scrollbars=yes,width='breit'");
}