function getRandomNum() {

    // between 0 - 1
    var rndNum = Math.random()

    // rndNum from 0 - 1000
    rndNum = parseInt(rndNum * 1000);

    // rndNum from 33 - 127
    rndNum = (rndNum % 94) + 33;

    return rndNum;
}

function checkPunc(num) {

    if ((num >=33) && (num <=47)) { return true; }
    if ((num >=58) && (num <=64)) { return true; }
    if ((num >=91) && (num <=96)) { return true; }
    if ((num >=123) && (num <=126)) { return true; }

    return false;
}

function GeneratePassword() {

    var length= 8;
    var sPassword = "";
    var noPunction = true;

   for (i=0; i < length; i++) {
        numI = getRandomNum();
		if (noPunction) { while (checkPunc(numI)) { numI = getRandomNum(); } }
        sPassword = sPassword + String.fromCharCode(numI);
    }

    var input = document.getElementById("password");
		input.value = sPassword

    return true;
}