function opacity(id, opacStart, opacEnd, millisec) { 
    var speed = Math.round(millisec / 100); 
    var timer = 0; 
    if(opacStart > opacEnd) { 
        for(i = opacStart; i >= opacEnd; i--) { 
            setTimeout("changeOpac(" + i + ",'" + id + "')",(timer * speed)); 
            timer++; 
        } opacStart=opacEnd;
    } else if(opacStart < opacEnd) { 
        for(i = opacStart; i <= opacEnd; i++) 
            { 
            setTimeout("changeOpac(" + i + ",'" + id + "')",(timer * speed)); 
            timer++; 
        }  opacStart=opacEnd;
    } 
} 

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 blendIn(id)
{ 
    setTimeout("opacity('" + id + "',0,100,200)",5000); 
    setTimeout("opacity('" + id + "',100,0,200)",5200); 
    setTimeout("opacity('" + id + "',0,100,500)",5400); 

}