agent = navigator.appName;

is_ie = (agent.indexOf('Internet Explorer')!= -1);

is_ns = (agent.indexOf('Netscape') != -1);



bild_1 = new Array(7);



for (i=0; i<7; i++) {

	bild_1[i] = new Image();

	bild_1[i].src = "../images/drehfraes"+i+"_125.jpg";

}



function over(nr) {

	document.medium.src = bild_1[nr].src;

}



function out(nr) {

	document.medium.src = "../resources/medium.gif";

}



function openwin(nr) {

	if (is_ns) window.open("dreh"+nr+".htm","fenster","width=300,height=200,innerwidth=300,innerheight=200,scrollbars=no,menubar=no,locationbar=no,status=no,resizeable=no")

	if (is_ie) window.open("dreh"+nr+".htm","fenster","width=300,height=200,scrollbars=no,menubar=no,locationbar=no,status=no,resizeable=no")

}



function openwin2(url) {

	if (is_ns) window.open([url],"fenster","width=660,height=550,innerwidth=640,innerheight=530,scrollbars=yes,menubar=no,locationbar=no,status=no,resizeable=no")

	if (is_ie) window.open([url],"fenster","width=660,height=550,scrollbars=yes,menubar=no,locationbar=no,status=no,resizeable=no")

}