if(document.images)
	{
		p1 =  new Image();
		p1.src = "images/btn_member_over.gif";
		sp1 =  new Image();
		sp1.src = "images/btn_member2_over.gif";
		dp1 =  new Image();
		dp1.src = "images/btn_member3_over.gif";
		np1 =  new Image();
		np1.src = "images/btn_member4_over.gif";
		lp1 =  new Image();
		lp1.src = "images/btn_member5_over.gif";
		cp1 =  new Image();
		cp1.src = "images/btn_member6_over.gif";
		kp1 =  new Image();
		kp1.src = "images/btn_member7_over.gif";

		p2 =  new Image();
		p2.src = "images/btn_signup_over.gif";
		sp2 =  new Image();
		sp2.src = "images/btn_signup2_over.gif";
		dp2 =  new Image();
		dp2.src = "images/btn_signup3_over.gif";
		np2 =  new Image();
		np2.src = "images/btn_signup4_over.gif";
		lp2 =  new Image();
		lp2.src = "images/btn_signup5_over.gif";
		cp2 =  new Image();
		cp2.src = "images/btn_signup6_over.gif";
		kp2 =  new Image();
		kp2.src = "images/btn_signup7_over.gif";
	
		p3 =  new Image();
		p3.src = "images/btn_home_over.gif";
		
		p4 =  new Image();
		p4.src = "images/btn_news_over.gif";
		
		p5 =  new Image();
		p5.src = "images/btn_service_over.gif";

		p6 =  new Image();
		p6.src = "images/btn_download_over.gif";
		
		p7 =  new Image();
		p7.src = "images/btn_lab_over.gif";
		
		p8 =  new Image();
		p8.src = "images/btn_contact_over.gif";

		p9 =  new Image();
		p9.src = "images/btn_link_over.gif";

		p10 =  new Image();
		p10.src = "images/btn_about_over.gif";

		p11 =  new Image();
		p11.src = "images/btn_enews_over.gif";

		p12 =  new Image();
		p12.src = "images/btn_gemology_over.gif";

		p13 =  new Image();
		p13.src = "images/btn_research_over.gif";

		p14 =  new Image();
		p14.src = "images/btn_color_over.gif";

		p15 =  new Image();
		p15.src = "images/btn_pearl_over.gif";

		p16 =  new Image();
		p16.src = "images/btn_diamond_over.gif";

		p17 =  new Image();
		p17.src = "images/btn_fee_over.gif";

		p18 =  new Image();
		p18.src = "images/btn_terms_over.gif";

		p19 =  new Image();
		p19.src = "images/btn_client_over.gif";

		p20 =  new Image();
		p20.src = "images/btn_important_over.gif";

		p21 =  new Image();
		p21.src = "images/btn_lmhc_over.gif";

		p22 =  new Image();
		p22.src = "images/btn_cibjo_over.gif";

		p23 =  new Image();
		p23.src = "images/btn_ruby_over.gif";

		p24 =  new Image();
		p24.src = "images/btn_instruments_over.gif";

		p25 =  new Image();
		p25.src = "images/btn_bkk_over.gif";

		p26 =  new Image();
		p26.src = "images/btn_branch_over.gif";

		p27 =  new Image();
		p27.src = "images/btn_links_over.gif";

		p28 =  new Image();
		p28.src = "images/btn_logout_over.gif";

		p29 =  new Image();
		p29.src = "images/btn_education_over.gif";

		p30 =  new Image();
		p30.src = "images/btn_research_ongoing_over.gif";

		p31 =  new Image();
		p31.src = "images/btn_research_publi_over.gif";

		p32 =  new Image();
		p32.src = "images/btn_lab_notes_over.gif";

		p33 =  new Image();
		p33.src = "images/btn_research_staff_over.gif";

		p34 =  new Image();
		p34.src = "images/btn_field_reports_over.gif";

		mm1 =  new Image();
		mm1.src = "images/month_r01.jpg";
		
		mm2 =  new Image();
		mm2.src = "images/month_r02.jpg";
		
		mm3 =  new Image();
		mm3.src = "images/month_r03.jpg";
		
		mm4 =  new Image();
		mm4.src = "images/month_r04.jpg";
		
		mm5 =  new Image();
		mm5.src = "images/month_r05.jpg";

		mm6 =  new Image();
		mm6.src = "images/month_r06.jpg";
		
		mm7 =  new Image();
		mm7.src = "images/month_r07.jpg";
		
		mm8 =  new Image();
		mm8.src = "images/month_r08.jpg";

		mm9 =  new Image();
		mm9.src = "images/month_r09.jpg";

		mm10 =  new Image();
		mm10.src = "images/month_r10.jpg";

		mm11 =  new Image();
		mm11.src = "images/month_r11.jpg";

		mm12 =  new Image();
		mm12.src = "images/month_r12.jpg";
	}