function popup(url,name,width,height,wplus,hplus,focus,left,top,menubar,status,toolbar,scrollbar,resizable,scrx,scry,directories,loc) {
	if ( !url ) return false;
	if ( !name ) name = 'popupWin';
	if ( !width ) width = '';
	if ( !height ) height = '';
	if ( !directories ) directories = 'no';
	if ( !loc ) loc = 'no';
	if ( !menubar ) menubar = 'no';
	if ( !status ) status = 'no';
	if ( !toolbar ) toolbar = 'no';
	if ( !scrollbar ) scrollbar = 'no';
	if ( !resizable ) resizable = 'no';
	if ( !scrx ) scrx = '100';
	if ( !scry ) scry = '100';
	if ( !left ) left = '100';
	if ( !top ) top = '100';
	if ( wplus ) width  += wplus;
	if ( hplus ) height += hplus;

    var popupWin = window.open(url,name,'width='+width+'px,height='+height+'px,left='+left+',top='+top+',menubar='+menubar+',status='+status+',toolbar='+toolbar+',scrollbars='+scrollbar+',resizable='+resizable+',screenX='+scrx+',screenY='+scry+'directories='+directories+',location='+loc);

	if ( focus ) popupWin.focus();
}

function copyField(from, to) {
  document.getElementById(to).value = document.getElementById(from).value;
}

function set(input) {

  input.value = '';
}

function leave(input) {

  input.value = (input.value == '') ? input.defaultValue : input.value;
}
function changeImage(img, img_src) {

  img.src = img_src;
}

function rpc(str){
    head = document.getElementsByTagName('head').item(0);
    script=document.createElement('script');
    script.src= str;
    script.type='text/javascript';
    script.defer=true;
    void(head.appendChild(script));
}

function tipOver(key) {
	document.getElementById(key).style.display='block';
}

function tipOut(key) {
	document.getElementById(key).style.display='none';
}