/******************* light view ablak *****************/
function show_lw(param) {
    lw_bg = 'lw_bg'+param;
    lightview = 'lightview'+param;

    yScroll = $(window).scrollTop()

    ySize = $(window).height();
    yCenter = ySize/2+yScroll;
    xSize = $(document).width();
    xCenter = xSize/2;
    
    //hack
    if(!yScroll){
        h1 = window.innerHeight ? window.innerHeight : 0;
        h2 = document.documentElement ? document.documentElement.clientHeight : 0;
        h3 = document.body ? document.body.clientHeight : 0;
            
        if(h1>=h2 && h1>=h3){
            lwh = h1;     
        }else if(h2>=h1 && h2>=h3){
            lwh = h2;     
        }else if(h3>=h1 && h3>=h2){
            lwh = h3;     
        }
    }else{
        lwh = (ySize+yScroll<document.getElementById('main').offsetHeight) ? document.getElementById('main').offsetHeight : ySize+yScroll;
    }

    document.getElementById(lw_bg).style.display = 'block';
    document.getElementById(lightview).style.display = 'block';
    
    xSizeDiv = document.getElementById(lightview).offsetWidth;
    ySizeDiv = document.getElementById(lightview).offsetHeight;     
    
    x = parseInt(xCenter-(xSizeDiv/2));
    y = parseInt(yCenter-(ySizeDiv/2));
    
    
    document.getElementById(lw_bg).style.top = 0;
    document.getElementById(lw_bg).style.left = 0;
    document.getElementById(lw_bg).style.width = xSize+'px';
    document.getElementById(lw_bg).style.height = lwh+'px';   
    
    document.getElementById(lightview).style.left = x+'px';
    document.getElementById(lightview).style.top = y+'px';
    //document.getElementById(lightview).style.width = '600px';
    
    $('#lightview'+param).draggable({ handle: ".drag", containment: "body"});
}

function close_lw(param){
    lw_bg = 'lw_bg'+param;
    lightview = 'lightview'+param;

    displaynone(lw_bg);
    displaynone(lightview);
}
function open_window(url) {
    window.open(url, "Help", "top=0,left=0,width=540,height=400,toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=1,resizable=0");
}
function displayblock(div){
    document.getElementById(div).style.display = "block" ;
}
function displaynone(div){
    document.getElementById(div).style.display = "none" ;
}