function getElementsByClassName(oElm, strTagName, strClassName){
    var arrElements = (strTagName == "*" && document.all)? document.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)
}
 function checkInfoForm(){
 	/*var firstname = document.getElementById('firstname').value;
 	var lastname = document.getElementById('lastname').value;
 	
 	var address = document.getElementById('address').value;
 	var pobox = document.getElementById('pobox').value;
 	var city = document.getElementById('city').value;
 	var email = document.getElementById('email').value;
 	var telephone = document.getElementById('telephone').value;
 	var cellphone = document.getElementById('cellphone').value;
	if (firstname != "" && lastname != "" && email != ""){	
    var pattern1 = /^[a-z0-9_\.-]+@([a-z0-9]+([\-]+[a-z0-9]+)*\.)+[a-z\.]{2,7}$/i; 
    if(!pattern1.test(email)) { 
      alert("Er is een ongeldig emailadres ingevuld!"); 
      document.getElementById('email').focus();
		}else{*/
				document.getElementById('infoform').submit();
		/*}
	}else{
		alert("Niet alle verplichte velden zijn ingevuld!");
	}*/
}