btn1_on = new Image();
btn1_on.src = "img/companyprofilebtnon.gif";
btn2_on = new Image();
btn2_on.src = "img/ourservicesbtnon.gif";
btn3_on = new Image();
btn3_on.src = "img/ourassessmentsbtnon.gif";
btn4_on = new Image();
btn4_on.src = "img/contactusbtnon.gif";
btn5_on = new Image();
btn5_on.src = "img/articlesbtnon.gif";
btn6_on = new Image();
btn6_on.src = "img/loginbtnon.gif";
btn7_on = new Image();
btn7_on.src = "img/coachingbtnon.gif";
btn8_on = new Image();
btn8_on.src = "img/homebtnon.gif";

btn1_off = new Image();
btn1_off.src = "img/companyprofilebtn.gif";
btn2_off = new Image();
btn2_off.src = "img/ourservicesbtn.gif";
btn3_off = new Image();
btn3_off.src = "img/ourassessmentsbtn.gif";
btn4_off = new Image();
btn4_off.src = "img/contactusbtn.gif";
btn5_off = new Image();
btn5_off.src = "img/articlesbtn.gif";
btn6_off = new Image();
btn6_off.src = "img/loginbtn.gif";
btn7_off = new Image();
btn7_off.src = "img/coachingbtn.gif";
btn8_off = new Image();
btn8_off.src = "img/homebtn.gif";

function imgOn( img )
{
	document.images[ img ].src = eval( img + "_on.src" );
}

function imgOff( img )
{
	document.images[ img ].src = eval( img + "_off.src" );
}