var newwindow;

function popmusic(url)
{
	//newwindow=window.open('http://wanderingdays.com/mp3player/try.html','name','height=310,width=210');
        newwindow=window.open('http://wanderingdays.com/mp3player/test/mp3player.html','name','height=310,width=220');
	if (window.focus) {newwindow.focus()}
}

//Specify spectrum of different font sizes:
var sizearray = new Array( '0.7em','0.9em','1.1em','1.3em','1.5em','1.7em','1.9em' );
var defaultsize = 2;
var prevsz = 2;

function getElementsByClass(searchClass,node,tag) {
  var classElements = new Array();
  var els = node.getElementsByTagName(tag);
  var elsLen = els.length;
  var pattern = new RegExp("(^|\\s)"+searchClass+"(\\s|$)");
  for (i = 0, j = 0; i < elsLen; i++) {
    if ( pattern.test(els[i].className) ) {
      classElements[j] = els[i];
      j++;
    }
  }
  return classElements;
}

function textsize( trgt,inc ) {
	if (!document.getElementById) return
	var d = document,cId = null, sz = prevsz,i,j, cClass;
	
	if (inc == 0) {
		sz = defaultsize;
	}
	else {
		sz += inc;
		if ( sz < 0 ) sz = 0;
		if ( sz > 6 ) sz = 6;
	}
        prevsz = sz;

	cId    = d.getElementById( trgt );

	cClass = getElementsByClass( 'entry-body', cId, 'div' );
        if (cClass.length==0) cId.getElementsByClass( 'entry-body', cId, 'div' );
	for ( j = 0 ; j < cClass.length ; j++ ) cClass[ j ].style.fontSize = sizearray[ sz ];
}