function mOver(what) {
	//alert(document.getElementById("sNavi2"));
	switch (what) {
	    case 'home':
			window.document.images['home'].src = "img/home_on.gif";
	        break;
	    case 'dualdelivery':
			window.document.images['dualdelivery'].src = "img/dualdelivery_on.gif";
	        break;
	    case 'advantages':
			window.document.images['advantages'].src = "img/advantages_on.gif"; 
			break;
	    case 'referenceprojects':
			window.document.images['referenceprojects'].src = "img/referenceprojects_on.gif"; 
			break;
		case 'thecompany':
			window.document.images['thecompany'].src = "img/thecompany_on.gif"; 
			break;
		case 'press':
			window.document.images['press'].src = "img/press_on.gif"; 
			break;
		case 'contact':
			window.document.images['contact'].src = "img/contact_on.gif"; 
			break;
		case 'siteinfo':
			window.document.images['siteinfo'].src = "img/siteinfo_on.gif"; 
			break;
		case 'tac':
			window.document.images['tac'].src = "img/tac_on.gif"; 
			break;
		case 'dd_overview':
			document.getElementById("sNavi1").style.backgroundColor = "#959595";
			document.getElementById("sNavi1Text").style.color = "#FFFFFF";
			break;
		case 'dd_elecdelivery':
			document.getElementById("sNavi2").style.backgroundColor = "#959595";
			document.getElementById("sNavi2Text").style.color = "#FFFFFF";
			break;
		case 'dd_physdelivery':
			document.getElementById("sNavi3").style.backgroundColor = "#959595";
			document.getElementById("sNavi3Text").style.color = "#FFFFFF";
			break;
		case 'dd_technology':
			document.getElementById("sNavi4").style.backgroundColor = "#959595";
			document.getElementById("sNavi4Text").style.color = "#FFFFFF";
			break;
		case 'dd_omega4':
			document.getElementById("sNavi5").style.backgroundColor ="#959595";
			document.getElementById("sNavi5Text").style.color = "#FFFFFF";
			break;
		case 'dd_legal':
			document.getElementById("sNavi6").style.backgroundColor = "#959595";
			document.getElementById("sNavi6Text").style.color = "#FFFFFF";
			break;
		case 'ad_lowercosts':
			document.getElementById("sNavi1").style.backgroundColor = "#959595";
			document.getElementById("sNavi1Text").style.color = "#FFFFFF";
			break;
		case 'ad_lesseffort':
			document.getElementById("sNavi2").style.backgroundColor = "#959595";
			document.getElementById("sNavi2Text").style.color = "#FFFFFF";
			break;
		case 'ad_security':
			document.getElementById("sNavi3").style.backgroundColor = "#959595";
			document.getElementById("sNavi3Text").style.color = "#FFFFFF";
			break;
		case 'ad_future':
			document.getElementById("sNavi4").style.backgroundColor = "#959595";
			document.getElementById("sNavi4Text").style.color = "#FFFFFF";
			break;
		case 'tc_overview':
			document.getElementById("sNavi1").style.backgroundColor = "#959595";
			document.getElementById("sNavi1Text").style.color = "#FFFFFF";
			break;
		case 'tc_partners':
			document.getElementById("sNavi2").style.backgroundColor = "#959595";
			document.getElementById("sNavi2Text").style.color = "#FFFFFF";
			break;
	    default:
	        return;
	}
}

function mOut(what) {
	switch (what) {
	    case 'home':
			window.document.images['home'].src = "img/home_off.gif"; 
	        break;
	    case 'dualdelivery':
			window.document.images['dualdelivery'].src = "img/dualdelivery_off.gif"; 
	        break;
	    case 'advantages':
			window.document.images['advantages'].src = "img/advantages_off.gif"; 
	        break;
	    case 'referenceprojects':
			window.document.images['referenceprojects'].src = "img/referenceprojects_off.gif"; 
	        break;
	    case 'thecompany':
			window.document.images['thecompany'].src = "img/thecompany_off.gif"; 
	        break;
	    case 'press':
			window.document.images['press'].src = "img/press_off.gif"; 
	        break;
		case 'contact':
			window.document.images['contact'].src = "img/contact_off.gif"; 
	        break;
		case 'siteinfo':
			window.document.images['siteinfo'].src = "img/siteinfo_off.gif"; 
	        break;
		case 'tac':
			window.document.images['tac'].src = "img/tac_off.gif"; 
	        break;
		case 'dd_overview':
			document.getElementById("sNavi1").style.backgroundColor = "#FFFFFF";
			document.getElementById("sNavi1Text").style.color = "#959595";
			break;
		case 'dd_elecdelivery':
			document.getElementById("sNavi2").style.backgroundColor = "#FFFFFF";
			document.getElementById("sNavi2Text").style.color = "#959595";
			break;
		case 'dd_physdelivery':
			document.getElementById("sNavi3").style.backgroundColor = "#FFFFFF";
			document.getElementById("sNavi3Text").style.color = "#959595";
			break;
		case 'dd_technology':
			document.getElementById("sNavi4").style.backgroundColor = "#FFFFFF";
			document.getElementById("sNavi4Text").style.color = "#959595";
			break;
		case 'dd_omega4':
			document.getElementById("sNavi5").style.backgroundColor = "#FFFFFF";
			document.getElementById("sNavi5Text").style.color = "#959595";
			break;
		case 'dd_legal':
			document.getElementById("sNavi6").style.backgroundColor = "#FFFFFF";
			document.getElementById("sNavi6Text").style.color = "#959595";
			break;
		case 'ad_lowercosts':
			document.getElementById("sNavi1").style.backgroundColor = "#FFFFFF";
			document.getElementById("sNavi1Text").style.color = "#959595";
			break;
		case 'ad_lesseffort':
			document.getElementById("sNavi2").style.backgroundColor = "#FFFFFF";
			document.getElementById("sNavi2Text").style.color = "#959595";
			break;
		case 'ad_security':
			document.getElementById("sNavi3").style.backgroundColor = "#FFFFFF";
			document.getElementById("sNavi3Text").style.color = "#959595";
			break;
		case 'ad_future':
			document.getElementById("sNavi4").style.backgroundColor = "#FFFFFF";
			document.getElementById("sNavi4Text").style.color = "#959595";
			break;
		case 'tc_overview':
			document.getElementById("sNavi1").style.backgroundColor = "#FFFFFF";
			document.getElementById("sNavi1Text").style.color = "#959595";
			break;
		case 'tc_partners':
			document.getElementById("sNavi2").style.backgroundColor = "#FFFFFF";
			document.getElementById("sNavi2Text").style.color = "#959595";
			break;s
	    default:
	        return;
	}
}