document.btn_img = new Array();

function PopupWindow( url, width, height )
{
	window.open( url, "", "noresize,height=" + height + ",width=" + width + ",location=no,directories=no,menubar=no,toolbar=no,scrollbars=yes" )
}
function PrintPage( url )
{
	window.open( url, 'print', 'toolbar=no,scrollbars=1,menubar=yes,resizable=1,width=630,height=500' );
}
function PicturePopup( url, width, height )
{
	window.open( url, "PicturePopup", "resizable=1,height=" + ( ( height <= 600) ? height : "600" ) + ",width=" + ( ( width <= 800 ) ? width : "800" ) + ",location=no,directories=no,menubar=no,toolbar=no,scrollbars=" + ( ( height <= 600 && width <= 800 ) ? "no" : "yes" ) )
}


function ShowHideBlock(elm) {
  var srcElement = document.getElementById(elm);
    if(srcElement) {
    if(srcElement.style.display == "block") {
      srcElement.style.display= 'none';
    }
    else {
      srcElement.style.display='block';
    }
  }
}