function showtimer(){
	
	
	var nowtime=new Date();
	var endtime1=new Date(2009,4,15,10);
	var endtime2=new Date(2009,7,15,18);
		
	if(nowtime<endtime1 && nowtime<endtime2){
		var diff=(endtime1-nowtime);
		var dateH=Math.floor(diff/(1000*60*60));
		diff=diff-(dateH*(1000*60*60));
		var dateM=Math.floor(diff/(1000*60));
		if(dateM<10){dateM="0"+dateM;}
		diff=diff-(dateM*(1000*60));
		var dateS=Math.floor(diff/1000);
		if(dateS<10){dateS="0"+dateS;}
		document.getElementById("mytime").innerHTML="До начала конкурса осталось: "+dateH+":"+dateM+":"+dateS;
		
	} 
	if(nowtime>endtime1 && nowtime<endtime2){
		var diff=(endtime2-nowtime);
		var dateH=Math.floor(diff/(1000*60*60));
		diff=diff-(dateH*(1000*60*60));
		var dateM=Math.floor(diff/(1000*60));
		if(dateM<10){dateM="0"+dateM;}
		diff=diff-(dateM*(1000*60));
		var dateS=Math.floor(diff/1000);
		if(dateS<10){dateS="0"+dateS;}
		document.getElementById("mytime").innerHTML="До конца конкурса осталось: "+dateH+":"+dateM+":"+dateS;
		
	} 
}