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		var about_homeb = new Image();
		about_homeb.src = "images/about_home_on.gif";
		var cred_homea = new Image();
		cred_homea.src = "images/cred_home_off.gif";
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		cred_homeb.src = "images/cred_home_on.gif";
		var house_homea = new Image();
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		var house_homeb = new Image();
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		var reg_homea = new Image();
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		var contact_homeb = new Image();
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		var about_subb = new Image();
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		var cred_suba = new Image();
		cred_suba.src = "images/cred_sub_off.gif";
		var cred_subb = new Image();
		cred_subb.src = "images/cred_sub_on.gif";
		var house_suba = new Image();
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		var house_subb = new Image();
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		var contact_suba = new Image();
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		var contact_subb = new Image();
		contact_subb.src = "images/contact_sub_on.gif";
		var home_suba = new Image();
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