if (document.images) {

		
		homeON = new Image
		homeOFF = new Image		
		homeON.src = "images/button_home_2.gif"
		homeOFF.src = "images/button_home_1.gif"

		servicesON = new Image
		servicesOFF = new Image		
		servicesON.src = "images/button_services_2.gif"
		servicesOFF.src = "images/button_services_1.gif"

		caseON = new Image
		caseOFF = new Image		
		caseON.src = "images/button_case_2.gif"
		caseOFF.src = "images/button_case_1.gif"

		contactON = new Image
		contactOFF = new Image		
		contactON.src = "images/button_contact_2.gif"
		contactOFF.src = "images/button_contact_1.gif"
	
		
	}
	else {
		
		homeON = ""
		homeOFF  = ""
		document.homebutton = ""

		servicesON = ""
		servicesOFF  = ""
		document.servicesbutton = ""

		caseON = ""
		caseOFF  = ""
		document.casebutton = ""

		contactON = ""
		contactOFF  = ""
		document.contactbutton = ""
	
	}