function openBig( url ) {

	widthWindow			=	800;
	heightWindow		=	600;

	screenX				=	20;
	screenY				=	20;

	myWin				=	window.open( url, '', 'width=' + widthWindow + ',height=' + heightWindow + ',screenX=' + screenX + ',screenY=' + screenY + ',scrollbars=yes,locationbar=no,menubar=no,resizable=yes,status=no' );

}