showPopup = function(src) {
    
    var transp = document.getElementById('transparent');
    var layer = document.getElementById('ctl00_layer'); layer.src = null;     
    var transpAnim;
    var layerAnim;
    agt=navigator.userAgent.toLowerCase();
    
    if (src) {

        layer.src = src;
    }
    
    var selects = document.getElementsByTagName('select');
    
    hideContent = function() {
    
        for (select in selects) {
        
            try {
                
                selects[select].style.visibility = 'visible';
            
            } catch(e) {}
        }
        
        disableContent();
    };
    
    disableContent = function() {
        transp.style.display = 'none';
        layer.style.display = 'none';
        layer.src = "";
        
    };
    
    setIframeHeight = function() {
        layer.style.height = layer.contentWindow.document.documentElement.offsetHeight + 'px';
    };
    
    if (layer.style.display != 'block')
    {
        
        transp.style.height = document.documentElement.clientHeight + 'px';
        if(document.body.clientHeight > 700){
            transp.style.height = document.body.clientHeight + 'px';
        }
        //Opera
        if (agt.indexOf("opera") != -1){
            if(document.documentElement.clientHeight > 700){
                transp.style.height = document.documentElement.clientHeight + 'px'
            }
            else
            transp.style.height = document.document.clientHeight + 'px'
        }
        
        transp.style.display = 'block';
        layer.style.top = document.documentElement.scrollTop + 40 + 'px';
        //Safari
        if (agt.indexOf("safari") != -1){layer.style.top = (document.all)?document.body.scrollLeft:window.pageYOffset + 40 + 'px'}
        layer.style.display = 'block';
        
        for (select in selects) {
        
            try {
            
                selects[select].style.visibility = 'hidden';
            
            } catch(e) {}
        }
    }
    else
        hideContent();
}