// preloading
var preloadHeaderPath = "img/header/";
var preloadHeaderImages = new Array (
	"curba.jpg",
	"header_01.jpg",
	"header_02.jpg",
	"header_03.jpg",
	"header_04.jpg",
	"header_05.jpg",
	"header_06.jpg",
	"header_07.jpg",
	"header_08.jpg",
	"header_09.jpg",
	"header_10.jpg",
	"header_11.jpg",
	"margine_st_01.jpg",
	"margine_st_02.jpg"
);
var preloadHeaderImages = preload_images ( preloadHeaderPath, preloadHeaderImages  );




var buttPath = "img/but/";

var buttNorm = new Array (
	"but_despre_n.jpg",
	"but_scoala_n.jpg",
	"but_clipuri_n.jpg",
	"but_chestionare_n.jpg",
	"but_asigurari_n.jpg",
	"but_contact_n.jpg",
	"index_footer_n.jpg",
	"contact_footer_n.jpg",
	"but_reduceri_n.jpg"
);

var buttOver = new Array (
	"but_despre_r.jpg",
	"but_scoala_r.jpg",
	"but_clipuri_r.jpg",
	"but_chestionare_r.jpg",
	"but_asigurari_r.jpg",
	"but_contact_r.jpg",
	"index_footer_r.jpg",
	"contact_footer_r.jpg",
	"but_reduceri_r.jpg"
);
	
var buttNorm = preload_images ( buttPath, buttNorm  );
var buttOver = preload_images ( buttPath, buttOver );

function preload_images ( img_path, img_array )
{
    var images = new Array;

    for ( var img_num=0; img_num<img_array.length; img_num++ ) {

        images[img_num] = new Image ();
        var url = img_path + img_array[img_num];
        images[img_num].src = url;
    }

    return ( images );
}

function buttonOver ( buttNum ) {
    if ( document.images ) {
        var objectID = document.images[ 'but' + buttNum ];
        objectID.src = eval( "buttOver[" + buttNum + "].src");
    }		
}

function buttonOut ( buttNum ) {
    if ( document.images ) {
        var objectID = document.images[ 'but' + buttNum ];
        objectID.src = eval( "buttNorm[" + buttNum + "].src");
    }
}