var topZ;

topZ = 2000;

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 shiftOpacity(id, millisec) { 
    //if an element is invisible, make it visible, else make it ivisible 
    if(document.getElementById(id).style.opacity == 0) { 
        opacity(id, 0, 100, millisec); 
    } else { 
        opacity(id, 100, 0, millisec); 
    } 
}

function blendimage(divid, imageid, imagefile, millisec) { 
    var speed = Math.round(millisec / 100); 
    var timer = 0; 
     
    //set the current image as background 
    document.getElementById(divid).style.backgroundImage = "url(" + document.getElementById(imageid).src + ")"; 
     
    //make image transparent 
    changeOpac(0, imageid); 
     
    //make new image 
    document.getElementById(imageid).src = imagefile; 

    //fade in image 
    for(i = 0; i <= 100; i++) { 
        setTimeout("changeOpac(" + i + ",'" + imageid + "')",(timer * speed)); 
        timer++; 
    } 
}

function blendHTML(divid, divHTML, millisec) { 
    var speed = Math.round(millisec / 100); 
    var timer = 0; 
     
    //set the current image as background 
     
    //make image transparent 
    changeOpac(100, divid); 
    //fade in image 
    for(i = 100; i > 0; i--) { 
        setTimeout("changeOpac(" + i + ",'" + divid + "')",(timer * speed)); 
        timer++; 
    } 

    setTimeout("document.getElementById('" + divid + "').innerHTML = '" + divHTML + "'",(timer * speed)); 
    
    //fade in image 
    for(i = 0; i <= 100; i++) { 
        setTimeout("changeOpac(" + i + ",'" + divid + "')",(timer * speed)); 
        timer++; 
	     
    } 
}


function currentOpac(id, opacEnd, millisec) { 
    //standard opacity is 100 
    var currentOpac = 100; 
     
    //if the element has an opacity set, get it 
    if(document.getElementById(id).style.opacity < 100) { 
        currentOpac = document.getElementById(id).style.opacity * 100; 
    } 

    //call for the function that changes the opacity 
    opacity(id, currentOpac, opacEnd, millisec) 
}


function addSmiley(thisSmiley, thisID)
{
	tmpMessage = document.getElementById(thisID).value;
	
	document.getElementById(thisID).value = tmpMessage + ' ' + thisSmiley + ' ';
}

function clearLayer(divid)
{
        var speed = Math.round(1000 / 100); 
        var timer = 0; 
    
        changeOpac(100, divid); 
        //fade in image 
        for(i = 100; i > 0; i--) { 
            setTimeout("changeOpac(" + i + ",'" + divid + "')",(timer * speed)); 
            timer++; 
        } 
    
        setTimeout("document.getElementById('" + divid + "').style.visibility = 'hidden'",(timer * speed)); 

}


function removeLayer(divid)
{
        var speed = Math.round(500 / 100); 
        var timer = 0; 
    
        changeOpac(100, divid); 
        //fade in image 
        for(i = 100; i > 0; i--) { 
            setTimeout("changeOpac(" + i + ",'" + divid + "')",(timer * speed)); 
            timer++; 
        } 
    
        setTimeout("document.getElementById('" + divid + "').style.visibility = 'hidden'",(timer * speed)); 
           timer++; 
         setTimeout("document.getElementById('" + divid + "').style.display = 'none'",(timer * speed)); 

}

function removeHTML(thisID, thisTime) {
}



function displayLayer(divid)
{
        var speed = Math.round(300 / 100); 
        var timer = 0; 
    
        changeOpac(0, divid); 
        document.getElementById(divid).style.display = 'block'; 
        document.getElementById(divid).style.visibility = 'visible'; 
        document.getElementById(divid).style.zIndex = 2000; 

		document.getElementById(divid).style.zIndex = topZ;
		topZ++;

        //fade in image 

        for(i = 0; i < 100; i++) { 
            setTimeout("changeOpac(" + i + ",'" + divid + "')",(timer * speed)); 
            timer++; 
        } 
    

}