function playMP3(){
	var str= "./sound/Track03.mp3;./sound/Track04.mp3;./sound/Track05.mp3";
	songs = str.split(";");
	
	var now=new Date()
    var count=(now.getSeconds())%3;

	//return songs[count];	
	document.all.tags("bgsound")[0].src=songs[count]; 	
}

function alltrim(st) {
	var a=st;
	var pos=-1;
		for(i=0;i<=a.length;i++) {
			if(a.substr(i,1)==' ') {
				pos++;
			}
			else break;		 
		}
		var pos1=a.length+1;
		for(i=a.length-1;i>=0;i--) {
			if(a.substr(i,1)==' ') {
				pos1--;
			}
			else break;
		}
		if((pos==-1)&&(pos1==a.length+1)) {
			return(a);
		}
		if(pos+pos1==st.length) {
			a='';
			return(a);
		}
		
		a=st.substring(pos+1,pos1-1);
	
	return(a);	
}