//
	function ReadForm (obj1, tst) 
	{ 
	    // Read the user form
	    var i,j,pos;
	    val_total="";val_combo="";		
	
	    for (i=0; i<obj1.length; i++) 
	    {     
	        // run entire form
	        obj = obj1.elements[i];           // a form element
	
	        if (obj.type == "select-one") 
	        {   // just selects
	            if (obj.name == "quantity" ||
	                obj.name == "amount") continue;
		        pos = obj.selectedIndex;        // which option selected
		        val = obj.options[pos].value;   // selected value
		        val_combo = val_combo + "(" + val + ")";
	        }
	    }
		// Now summarize everything we have processed above
		val_total = obj1.product_tmp.value + val_combo;
		obj1.product.value = val_total;
	}

	
	
	
	
// This function checks if the username field
// is at least 6 characters long.
// If so, it attaches class="welldone" to the 
// containing fieldset.

function checkUsernameForLength(whatYouTyped) {
	var fieldset = whatYouTyped.parentNode;
	var txt = whatYouTyped.value;
	if (txt.length > 3) {
		fieldset.className = "welldone";
	}
	else {
		fieldset.className = "";
	}
}


// This function checks the email address to be sure
// it follows a certain pattern:
// blah@blah.blah
// If so, it assigns class="welldone" to the containing
// fieldset.

function checkEmail(whatYouTyped) {
	var fieldset = whatYouTyped.parentNode;
	var txt = whatYouTyped.value;
	if (/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(txt)) {
		fieldset.className = "welldone";
	} else {
		fieldset.className = "";
	}
}





/// If the password is at least 4 characters long, the containing 
// fieldset is assigned class="kindagood".
// If it's at least 8 characters long, the containing
// fieldset is assigned class="welldone", to give the user
// the indication that they've selected a harder-to-crack
// password.

function checkPassword(whatYouTyped) {
	var fieldset = whatYouTyped.parentNode;
	var txt = whatYouTyped.value;
	if (txt.length > 2 && txt.length < 8) {
		fieldset.className = "kindagood";
	} else if (txt.length > 5) {
		fieldset.className = "welldone";
	} else {
		fieldset.className = "";
	}
}



// this part is for the form field hints to display
// only on the condition that the text input has focus.
// otherwise, it stays hidden.

function addLoadEvent(func) {
  var oldonload = window.onload;
  if (typeof window.onload != 'function') {
    window.onload = func;
  } else {
    window.onload = function() {
      oldonload();
      func();
    }
  }
}




function prepareInputsForHints() {
  var inputs = document.getElementsByTagName("input");
  for (var i=0; i<inputs.length; i++){
    inputs[i].onfocus = function () {
      this.parentNode.getElementsByTagName("span")[0].style.display = "inline";
    }
    inputs[i].onblur = function () {
      this.parentNode.getElementsByTagName("span")[0].style.display = "none";
    }
  }
}
addLoadEvent(prepareInputsForHints);