left1=new Image()
left1.src="images/home_msw.gif"
left1_on=new Image()
left1_on.src="images/home_msw_on.gif"
left2=new Image()
left2.src="images/home_scraptires.gif"
left2_on=new Image()
left2_on.src="images/home_scraptires_on.gif"
left3=new Image()
left3.src="images/home_biomass.gif"
left3_on=new Image()
left3_on.src="images/home_biomass_on.gif"
left4=new Image()
left4.src="images/home_medicalwaste.gif"
left4_on=new Image()
left4_on.src="images/home_medicalwaste_on.gif"

right1=new Image()
right1.src="images/home_electricity.gif"
right1_on=new Image()
right1_on.src="images/home_electricity_on.gif"
right2=new Image()
right2.src="images/home_carbonblack.gif"
right2_on=new Image()
right2_on.src="images/home_carbonblack_on.gif"
right3=new Image()
right3.src="images/home_diesel.gif"
right3_on=new Image()
right3_on.src="images/home_diesel_on.gif"
right4=new Image()
right4.src="images/home_hydrogen.gif"
right4_on=new Image()
right4_on.src="images/home_hydrogen_on.gif"

left_path0=new Image()
left_path0.src="images/home_path_left_0.gif"
left_path1=new Image()
left_path1.src="images/home_path_left_1.gif"
left_path2=new Image()
left_path2.src="images/home_path_left_2.gif"
left_path3=new Image()
left_path3.src="images/home_path_left_3.gif"
left_path4=new Image()
left_path4.src="images/home_path_left_4.gif"

right_path0=new Image()
right_path0.src="images/home_path_right_0.gif"
right_path1=new Image()
right_path1.src="images/home_path_right_1.gif"
right_path2=new Image()
right_path2.src="images/home_path_right_2.gif"
right_path3=new Image()
right_path3.src="images/home_path_right_3.gif"
right_path4=new Image()
right_path4.src="images/home_path_right_4.gif"

function clear() {
	document.getElementById('left1').src=left1.src;
	document.getElementById('left2').src=left2.src;
	document.getElementById('left3').src=left3.src;
	document.getElementById('left4').src=left4.src;
	document.getElementById('right1').src=right1.src;
	document.getElementById('right2').src=right2.src;
	document.getElementById('right3').src=right3.src;
	document.getElementById('right4').src=right4.src;
	document.getElementById('left').src=left_path0.src;
	document.getElementById('right').src=right_path0.src;
	document.getElementById('text1').className="text_off"
	document.getElementById('text2').className="text_off"
	document.getElementById('text3').className="text_off"
	document.getElementById('text4').className="text_off"
	document.getElementById('text5').className="text_off"
	document.getElementById('text6').className="text_off"
	document.getElementById('text7').className="text_off"
	document.getElementById('text8').className="text_off"
}
	

function leftone() {
	clear()
	document.getElementById('left1').src=left1_on.src;
	document.getElementById('text1').className="text_on"
	document.getElementById('left').src=left_path1.src;
}

function lefttwo() {
	clear()
	document.getElementById('left2').src=left2_on.src;
	document.getElementById('text2').className="text_on"
	document.getElementById('left').src=left_path2.src;
}

function leftthree() {
	clear()
	document.getElementById('left3').src=left3_on.src;
	document.getElementById('text3').className="text_on"
	document.getElementById('left').src=left_path3.src;
}

function leftfour() {
	clear()
	document.getElementById('left4').src=left4_on.src;
	document.getElementById('text4').className="text_on"
	document.getElementById('left').src=left_path4.src;
}

function rightone() {
	clear()
	document.getElementById('right1').src=right1_on.src;
	document.getElementById('text5').className="text_on"
	document.getElementById('right').src=right_path1.src;
}

function righttwo() {
	clear()
	document.getElementById('right2').src=right2_on.src;
	document.getElementById('text6').className="text_on"
	document.getElementById('right').src=right_path2.src;
}

function rightthree() {
	clear()
	document.getElementById('right3').src=right3_on.src;
	document.getElementById('text7').className="text_on"
	document.getElementById('right').src=right_path3.src;
}

function rightfour() {
	clear()
	document.getElementById('right4').src=right4_on.src;
	document.getElementById('text8').className="text_on"
	document.getElementById('right').src=right_path4.src;
}