function changecss(obj, newcss)
{
	obj.className=newcss;
}

function opacity(id, opacStart, opacEnd, millisec) {
    //speed for each frame
    var speed = Math.round(millisec / 100);
    var timer = 0;

    //determine the direction for the blending, if start and end are the same nothing happens
    if(opacStart > opacEnd) {
        for(i = opacStart; i >= opacEnd; i--) {
            setTimeout("changeOpac(" + i + ",'" + id + "')",(timer * speed));
            timer++;
        }
    } else if(opacStart < opacEnd) {
        for(i = opacStart; i <= opacEnd; i++)
            {
            setTimeout("changeOpac(" + i + ",'" + id + "')",(timer * speed));
            timer++;
        }
    }
}

//change the opacity for different browsers
function changeOpac(opacity, id) {
    var object = document.getElementById(id).style;
    object.opacity = (opacity / 100);
    object.MozOpacity = (opacity / 100);
    object.KhtmlOpacity = (opacity / 100);
    object.filter = "alpha(opacity=" + opacity + ")";
} 

function setopacity(obj, val)
{
	obj.style.opacity=val;
	obj.style.filter = 'alpha(opacity='+val+')';
}

function opendiv(divname)
{
	if(divname=='divoverview')
	{
		document.getElementById('divcontact').style.display = 'none';
		document.getElementById('divdirectors').style.display = 'none';
		document.getElementById('divoverview').style.display = '';
	}
	else if(divname=='divcontact')
	{
		document.getElementById('divoverview').style.display = 'none';
		document.getElementById('divcontact').style.display = '';
		document.getElementById('divdirectors').style.display = 'none';
	}
	else if(divname=='divdirectors')
	{
		document.getElementById('divoverview').style.display = 'none';
		document.getElementById('divcontact').style.display = 'none';
		document.getElementById('divdirectors').style.display = '';	
	}
	else
	{
		document.getElementById('divoverview').style.display = 'none';
		document.getElementById('divcontact').style.display = 'none';
		document.getElementById('divdirectors').style.display = 'none';	
		
	}
}