function rollover(imagename, cacheimage) { 
	document.images[imagename].src = eval(cacheimage + ".src");
}

i_m1=new Image();
i_m1.src="img/menu_1.gif";
i_m1_r=new Image();
i_m1_r.src="img/menu_1r.gif";

i_m2=new Image();
i_m2.src="img/menu_2.gif";
i_m2_r=new Image();
i_m2_r.src="img/menu_2r.gif";

i_m3=new Image();
i_m3.src="img/menu_3.gif";
i_m3_r=new Image();
i_m3_r.src="img/menu_3r.gif";

i_m4=new Image();
i_m4.src="img/menu_4.gif";
i_m4_r=new Image();
i_m4_r.src="img/menu_4r.gif";

i_m5=new Image();
i_m5.src="img/menu_5.gif";
i_m5_r=new Image();
i_m5_r.src="img/menu_5r.gif";