function room_change(x) {
    if(x==1) {
        document.getElementById('photoshort1').style.display = "none";
        document.getElementById('photolong1').style.display = "block";
    }
	if(x==2) {
        document.getElementById('photoshort1').style.display = "block";
        document.getElementById('photolong1').style.display = "none";
    }
	if(x==3) {
        document.getElementById('photoshort2').style.display = "none";
        document.getElementById('photolong2').style.display = "block";
    }
	if(x==4) {
        document.getElementById('photoshort2').style.display = "block";
        document.getElementById('photolong2').style.display = "none";
    }
	if(x==5) {
        document.getElementById('photoshort3').style.display = "none";
        document.getElementById('photolong3').style.display = "block";
    }
	if(x==6) {
        document.getElementById('photoshort3').style.display = "block";
        document.getElementById('photolong3').style.display = "none";
    }
	if(x==7) {
        document.getElementById('photoshort4').style.display = "none";
        document.getElementById('photolong4').style.display = "block";
    }
	if(x==8) {
        document.getElementById('photoshort4').style.display = "block";
        document.getElementById('photolong4').style.display = "none";
    }
	if(x==9) {
        document.getElementById('photoshort5').style.display = "none";
        document.getElementById('photolong5').style.display = "block";
    }
	if(x==10) {
        document.getElementById('photoshort5').style.display = "block";
        document.getElementById('photolong5').style.display = "none";
    }
	if(x==11) {
        document.getElementById('photoshort6').style.display = "none";
        document.getElementById('photolong6').style.display = "block";
    }
	if(x==12) {
        document.getElementById('photoshort6').style.display = "block";
        document.getElementById('photolong6').style.display = "none";
    }
	if(x==13) {
        document.getElementById('photoshort7').style.display = "none";
        document.getElementById('photolong7').style.display = "block";
    }
	if(x==14) {
        document.getElementById('photoshort7').style.display = "block";
        document.getElementById('photolong7').style.display = "none";
    }
	if(x==15) {
        document.getElementById('photoshort8').style.display = "none";
        document.getElementById('photolong8').style.display = "block";
    }
	if(x==16) {
        document.getElementById('photoshort8').style.display = "block";
        document.getElementById('photolong8').style.display = "none";
    }
	if(x==17) {
        document.getElementById('photoshort9').style.display = "none";
        document.getElementById('photolong9').style.display = "block";
    }
	if(x==18) {
        document.getElementById('photoshort9').style.display = "block";
        document.getElementById('photolong9').style.display = "none";
    }
	if(x==19) {
        document.getElementById('photoshort10').style.display = "none";
        document.getElementById('photolong10').style.display = "block";
    }
	if(x==20) {
        document.getElementById('photoshort10').style.display = "block";
        document.getElementById('photolong10').style.display = "none";
    }	
	if(x==21) {
        document.getElementById('photoshort11').style.display = "none";
        document.getElementById('photolong11').style.display = "block";
    }
	if(x==22) {
        document.getElementById('photoshort11').style.display = "block";
        document.getElementById('photolong11').style.display = "none";
    }	
	if(x==23) {
        document.getElementById('photoshort12').style.display = "none";
        document.getElementById('photolong12').style.display = "block";
    }
	if(x==24) {
        document.getElementById('photoshort12').style.display = "block";
        document.getElementById('photolong12').style.display = "none";
    }	
}