Testing this highlighter

/********************** Input Validation ***********************/
function pwdChk(pass)
{

var p1=document.getElementById("primary-password").value;
var p2=document.getElementById("primary-password2").value;
if (p1 !== p2)
{

document.getElementById("pwdChk").setAttribute('style', 'display:block;');
document.getElementById("pwdChk").style.display="block";
document.getElementById("primary-password2").value='';

}else{

document.getElementById("pwdChk").setAttribute('style', 'display:none;');
document.getElementById("pwdChk").style.display="none";
}

}