function buttom_step(pos) {
		var text_1 = Array('text_1', 'profile_1', 'submit_step_1')
		var text_2 = Array('text_2', 'profile_2', 'submit_step_2')

		main = Array(text_1, text_2)
		
		for (i=0;i<main.length;i++) {
			for (n=0;n<main[i].length;n++) {
				if (document.getElementById(main[i][n]) != null) {
					document.getElementById(main[i][n]).className = ("displaynone")
					if (pos == i) {
						document.getElementById(main[i][n]).className = ("display")
					}
											
				}
			}
		}
	}
	
	//AJAX
	
	function get_zipcode_gls() {
		var zipcode = ""
		var zipcode = document.getElementById('postcode').value
		var url ="xml/get_ajax_gls_zipcode.php?zipcode=" + zipcode
	
		
		if (zipcode.length == 4)  {
			xmlHttp=GetXmlHttpObject()
			if (xmlHttp==null)  {
				alert ("Your browser does not support AJAX!"); 
				 return; 
			 }
		 
			xmlHttp.onreadystatechange=stateChanged_get_zipcode_gls
	
			xmlHttp.open("GET", url, true) 
			xmlHttp.send(null) 
		} else {
			if (zipcode.length > 4 || zipcode.length == 0) {
				document.getElementById('city').value = ""
			}
		}
	}
	function stateChanged_get_zipcode_gls() {
		if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")	{
			var xmlDoc = xmlHttp.responseXML;
			
			if (xmlDoc.getElementsByTagName('PakkeshopData').length>0) {
				document.getElementById('city').value = xmlDoc.getElementsByTagName('CityName')[0].childNodes[0].nodeValue
			} else {
				document.getElementById('city').value = ""
			}
		}
	}
	
	
	//---------------------------------------------------------------------------
	
	//Requst HTTP
	function GetXmlHttpObject() { 
		var objXMLHttp=null
	 	if (window.XMLHttpRequest) {
	 		objXMLHttp=new XMLHttpRequest()
	 	} else if (window.ActiveXObject) {
	 		objXMLHttp=new ActiveXObject("Microsoft.XMLHTTP")
	 	}
	 	return objXMLHttp
	 }