// update all phone numbers wrapped in <span class='dynamic-number'>###-#####</span>
// with the code generated phone numbers

function getElementsByClassName(oElm, strTagName, strClassName){
	var arrElements = (strTagName == "*" && oElm.all)? oElm.all : oElm.getElementsByTagName(strTagName);
	var arrReturnElements = new Array();
	strClassName = strClassName.replace(/\-/g, "\\-");
	var oRegExp = new RegExp("(^|\\s)" + strClassName + "(\\s|$)");
	var oElement;
	for(var i=0; i<arrElements.length; i++){
		oElement = arrElements[i];
		if(oRegExp.test(oElement.className)){
			arrReturnElements.push(oElement);
		}
	}
	return (arrReturnElements)
}

var num_objects = getElementsByClassName(document , 'span' , 'dynamic-number' );
var dynamic_num = '1-800-535-1613';

// if there is a valid number
if(dynamic_num.length > 1){
	for(i=0; i < num_objects.length; i++) {
		num_objects[i].innerHTML = dynamic_num;
	}
}