isamap = new Object();
isamap[0] = "_df"
isamap[1] = "_ov"
isamap[2] = "_ot"
isamap[3] = "_dn"

function isimgact(id, act) {
	if(document.images) document.images[id].src = eval( "isimages." + id + isamap[act] + ".src");
}

if (document.images) { // ensure browser can do JavaScript rollovers.
	isimages = new Object();
	isimages.links1_df = new Image();
	isimages.links1_df.src = "images/linksmodellbau.jpg";
	
	isimages.links1_ov = new Image();
	isimages.links1_ov.src = "images/linksmodellbauov.jpg";
	
	isimages.links2_df = new Image();
	isimages.links2_df.src = "images/linksprototyping.jpg";
	
	isimages.links2_ov = new Image();
	isimages.links2_ov.src = "images/linksprototypingov.jpg";
	
	isimages.links3_df = new Image();
	isimages.links3_df.src = "images/linkscad_cam.jpg";
	
	isimages.links3_ov = new Image();
	isimages.links3_ov.src = "images/linkscad_camov.jpg";
	
	isimages.links4_df = new Image();
	isimages.links4_df.src = "images/linkscnc_technik.jpg";
	
	isimages.links4_ov = new Image();
	isimages.links4_ov.src = "images/linkscnc_technikov.jpg";
	
	isimages.links5_df = new Image();
	isimages.links5_df.src = "images/linksrim_technik.jpg";
	
	isimages.links5_ov = new Image();
	isimages.links5_ov.src = "images/linksrim_technikov.jpg";
	
	isimages.links6_df = new Image();
	isimages.links6_df.src = "images/linkswir__ber_uns.jpg";
	
	isimages.links6_ov = new Image();
	isimages.links6_ov.src = "images/linkswir__ber_unsov.jpg";
	
	isimages.links7_df = new Image();
	isimages.links7_df.src = "images/linksihr_weg_zu_uns.jpg";
	
	isimages.links7_ov = new Image();
	isimages.links7_ov.src = "images/linksihr_weg_zu_unsov.jpg";
	
	isimages.links8_df = new Image();
	isimages.links8_df.src = "images/linkskontakt.jpg";
	
	isimages.links8_ov = new Image();
	isimages.links8_ov.src = "images/linkskontaktov.jpg";
	
	isimages.links9_df = new Image();
	isimages.links9_df.src = "images/linksimp.jpg";
	
	isimages.links9_ov = new Image();
	isimages.links9_ov.src = "images/linksimpov.jpg";
	
	isimages.links10_df = new Image();
	isimages.links10_df.src = "images/linkspresse.jpg";
	
	isimages.links10_ov = new Image();
	isimages.links10_ov.src = "images/linkspresseov.jpg";
	
	isimages.links11_df = new Image();
	isimages.links11_df.src = "images/linksstart.jpg";
	
	isimages.links11_ov = new Image();
	isimages.links11_ov.src = "images/linksstartov.jpg";
}

function chkFormular() {
	if(document.Formular.Absendername.value == "") {
		alert("Bitte geben Sie Ihren Namen ein!");
		document.Formular.Absendername.focus();
		return false;
	}
	if(document.Formular.Adresse.value == "") {
		alert("Bitte geben Sie Ihre Adresse ein!");
		document.Formular.Adresse.focus();
		return false;
	}
	if(document.Formular.Telefon.value == "" || document.Formular.Telefax.value == "" || document.Formular.EMail.value == "") {
		alert("Sie müssen entweder Telefon, Telefax oder eine E-Mail-Adresse angeben!");
		document.Formular.EMail.focus();
		return false;
	}
}