function img1(name) {
	 img=new Image();
     img.src = '/i/'+name+'.gif';
	 document.images[name].src=img.src;
}

function img2(name) {
	 img=new Image();
     img.src = '/i/'+name+'b.gif';
	 document.images[name].src=img.src;
}

function dbl(t) {
	if(t.dlg_clicked)
		return false;
	t.dlg_clicked=true;
	return true;
}

function getElementsByClassName(node,classname) {
	if (node.getElementsByClassName)
		return node.getElementsByClassName(classname);
	else {
		var arr = new Array();
		var els = node.getElementsByTagName("*");
		var exp= new RegExp("^(.* )?"+classname+"( .*)?$", "g");
		for (var i = 0; i < els.length; i++ ){
			if (exp.test(els[i].className)){
				arr.push(els[i]);
			}
		}
		return arr;
	}
}

function invoiceFormClick() {
	if( !document.getElementById( 'customer_form' ) )	return;
	if( !document.forms['form'] )						return;
	if( !document.forms['form'].invoice )				return;
	var elements = getElementsByClassName( document.getElementById( 'customer_form' ), "invoiceForm" );
	if( document.forms['form'].invoice.checked == true ) {
		for( var i = 0; i < elements.length; i++ ) {
			elements[i].style.display = "table-row";
		}
	}
	else {
		for( var i = 0; i < elements.length; i++ ) {
			elements[i].style.display = "none";
		}
	}
}

function dlg_get(u,cb,cbp)
{
	return dlg_xmlhttprequest(u,'GET','','',cb,cbp);
}

function dlg_xmlhttprequest(u,m,d,c,cb,cbp)
{
	u=dlg_url(u);
	var r=false;
    if(window.XMLHttpRequest) {
    	try {
			r=new XMLHttpRequest();
        }
		catch(e) {
			r=false;
        }
    }
	else if(window.ActiveXObject) {
       	try {
        	r=new ActiveXObject("Msxml2.XMLHTTP");
      	}
		catch(e) {
        	try {
          		r=new ActiveXObject("Microsoft.XMLHTTP");
        	}
			catch(e) {
          		r=false;
        	}
		}
    }

	if(r) {
		r.onreadystatechange=function() {
			if(r.readyState==4) {
				if(r.status==200)
					cb(r.responseText,cbp);
			}
		};
		r.open(m,u);
		if(c!='')
			r.setRequestHeader('Content-Type',c);
		r.send(d);
		return true;
	}
	return false;
}

function dlg_url(u)
{
	if(typeof(u)=='object') {
		var s=u[0];
		if(typeof(u[1])=='object') {
			var k;
			var sp='?';
			for (k in u[1]) {
				s+=sp+encodeURIComponent(k)+'='+encodeURIComponent(u[1][k]);
				sp='&';
			}
		}
		if(typeof(u[2])!='undefined')
			s+='#'+u[2];
		return s;
	}
	return u;
}