/*
Strip whitespace from the beginning and end of a string
Input : a string
*/
function trim(str)
{
	return str.replace(/^\s+|\s+$/g,'');
}
function updateminicart(sText1,sText2)
{
	/* window.alert(sText); */
	var sText = sText1;
	if (sText2.length > 0) {
		sText = sText1 +"\n"+"in your cart"+"\n"+sText2;	
	
	}


    var txtbox = document.getElementById('minicarttext'); 

    txtbox.value = sText;
	

}

/*
Make sure that textBox only contain number
*/
function checkNumber(textBox)
{
	while (textBox.value.length > 0 && isNaN(textBox.value)) {
		textBox.value = textBox.value.substring(0, textBox.value.length - 1)
	}
	
	textBox.value = trim(textBox.value);
/*	if (textBox.value.length == 0) {
		textBox.value = 0;		
	} else {
		textBox.value = parseInt(textBox.value);
	}*/
}

/*
	Check if a form element is empty.
	If it is display an alert box and focus
	on the element
*/
function isEmpty(formElement, message) {
	formElement.value = trim(formElement.value);
	
	_isEmpty = false;
	if (formElement.value == '') {
		_isEmpty = true;
		alert(message);
		formElement.focus();
	}
	
	return _isEmpty;
}

/*
	Set one value in combo box as the selected value
*/
function setSelect(listElement, listValue)
{
	for (i=0; i < listElement.options.length; i++) {
		if (listElement.options[i].value == listValue)	{
			listElement.selectedIndex = i;
		}
	}	
}
function DivImage(cellID,navType,mState) {
  newImage = "url(images/default/"+navType+"navlink"+mState+".gif)";
  document.getElementById(cellID).style.background = newImage;

}
/*document.getElementById('npcontainer').style.background='url(bg/'+this.value+'.gif)' */

function RolloverImage(cellID) {
  newImage = "url(images/default/sidebutton2mo.gif)";
  document.getElementById(cellID).style.backgroundImage = newImage;
}

function ResetImage(cellID) {
  newImage = "url(images/sidebutton2.gif)";
  document.getElementById(cellID).style.backgroundImage = newImage;
}

function RolloverTopImage(cellID) {
  newImage = "url(images/topbuttonmo.gif)";
  document.getElementById(cellID).style.backgroundImage = newImage;
}

function ResetTopImage(cellID) {
  newImage = "url(images/topbutton.gif)";
  document.getElementById(cellID).style.backgroundImage = newImage;
}