function switchBizcardTabContact(bizcardId) {
    var state = document.getElementById("bizCardAdditionalInfo" + bizcardId).style.display;
    if (state == 'block') {
	    //show
		document.getElementById("bizCardContact" + bizcardId).style.display = 'block';
		document.getElementById("bizCardLogo" + bizcardId).style.display = 'block';
		if (document.getElementById("bizCardCompanyAddress" + bizcardId) != null)
        {
		    document.getElementById("bizCardCompanyAddress" + bizcardId).style.display = 'block';
		}
        
        //hide
        document.getElementById("bizCardAdditionalInfo" + bizcardId).style.display = 'none';
	}
}

function switchBizcardTabAddInfo(bizcardId) {
    var state = document.getElementById("bizCardContact" + bizcardId).style.display;
    if (state == 'block') {
        //hide
		document.getElementById("bizCardContact" + bizcardId).style.display = 'none';
		document.getElementById("bizCardLogo" + bizcardId).style.display = 'none';
		if (document.getElementById("bizCardCompanyAddress" + bizcardId) != null)
        {
	    	document.getElementById("bizCardCompanyAddress" + bizcardId).style.display = 'none';
	    }
        
        //show
        document.getElementById("bizCardAdditionalInfo" + bizcardId).style.display = 'block';
	}
}