//function: openQuoteMessage
//Changes display style of a div to expand or collapse 
//Changes a image by collapse or expand.
function openQuoteMessage(id, fileLocationCollapse, fileLocationExpand, messageCollapse, messageExpand) 
{ 
    var style       = document.getElementById(id).style; 
    var image       = document.getElementById('img_' + id);
    
    if(style.display == "none") 
    { 
        style.display       = "block"; 
        image.src           = fileLocationCollapse;
        image.alt           = messageCollapse;
    } 
    else 
    { 
        style.display       = "none"; 
        image.src           = fileLocationExpand;
        image.alt           = messageExpand;
    } 
}