img1on = new Image( ); 
img1on.src = "img/leftmenu01_on.gif"; 
img1off = new Image( ); 
img1off.src = "img/leftmenu01_off.gif"; 

img2on = new Image( ); 
img2on.src = "img/leftmenu02_on.gif"; 
img2off = new Image( ); 
img2off.src = "img/leftmenu02_off.gif"; 

img3on = new Image( ); 
img3on.src = "img/leftmenu03_on.gif"; 
img3off = new Image( ); 
img3off.src = "img/leftmenu03_off.gif"; 

img4on = new Image( ); 
img4on.src = "img/leftmenu04_on.gif"; 
img4off = new Image( ); 
img4off.src = "img/leftmenu04_off.gif"; 

img5on = new Image( ); 
img5on.src = "img/leftmenu05_on.gif"; 
img5off = new Image( ); 
img5off.src = "img/leftmenu05_off.gif"; 

img6on = new Image( ); 
img6on.src = "img/leftmenu06_on.gif"; 
img6off = new Image( ); 
img6off.src = "img/leftmenu06_off.gif"; 

img7on = new Image( ); 
img7on.src = "img/leftmenu07_on.gif"; 
img7off = new Image( ); 
img7off.src = "img/leftmenu07_off.gif"; 

img8on = new Image( ); 
img8on.src = "img/leftmenu08_on.gif"; 
img8off = new Image( ); 
img8off.src = "img/leftmenu08_off.gif"; 

function imgOn(imgName) { 
document [imgName].src = eval(imgName + "on.src"); 
} 

function imgOff(imgName) { 
document [imgName].src = eval(imgName + "off.src"); 
}

function Move(num) {
	if (num == 1) location.href = 'ProductTrast.asp';
	if (num == 2) location.href = 'ProductJoins.asp';
	if (num == 3) location.href = 'ProductLevopride.asp';
	if (num == 4) location.href = 'ProductOmed.asp';
	if (num == 5) location.href = 'ProductSunpla.asp';
	if (num == 6) location.href = 'ProductGinexin.asp';
	if (num == 7) location.href = 'ProductSkad.asp';
	if (num == 8) location.href = 'ProductFuthan.asp';				
}