function image_height_plus( img_height, id, max ) {
    timer = null;    
    idImg = document.getElementById(id);

    if(img_height <= max ) {
        img_height += 3;
        idImg.style.height = ( img_height ) + "px";         
        timer = setTimeout("image_height_plus(" + img_height + ",'" + id + "', " + max + ");", 10);
    } else {
        return true;
    }
}


function image_height_minus( img_height, id, min ) {
    timer = null;      
    idImg = document.getElementById(id);
    
    if(img_height >= min ) {
        img_height -= 3;  
        idImg.style.height = ( img_height ) + "px";        
        timer = setTimeout("image_height_minus(" + img_height + ",'" + id + "', " + min + ");", 10);
    } else {
        return true;
    }
}


function resize_plus( id ){
    max = "88"; 
    idImg = document.getElementById(id); 
    image_height_plus( idImg.height, id, max );
}
 

function resize_minus( id ){
    min = "83";
    idImg = document.getElementById(id);
    image_height_minus( idImg.height, id, min );
}