function tabtoggle(id)
	{
	
		if(id==1){
					document.getElementById("bigimage").style.background = "url(images/cliffs_in_stykkisolmur_snaefellsnes_peninsula.jpg)";
					document.getElementById("caption").innerHTML='Snaefellsnes Peninsula cliffs';
					}
		if(id==2){
					document.getElementById("bigimage").style.background = "url(images/hraunfossar.jpg)";
					document.getElementById("caption").innerHTML='Hraunfossar';
					}
		if(id==3){
					document.getElementById("bigimage").style.background = "url(images/hunkarbakkar_canyon.jpg)";
					document.getElementById("caption").innerHTML='Hunkarbakkar Canyon';
					}
		if(id==4){
					document.getElementById("bigimage").style.background = "url(images/myvatn_lake.jpg)";
					document.getElementById("caption").innerHTML='Lake Mytvan';
					}
		if(id==5){
					document.getElementById("bigimage").style.background = "url(images/refuge_in_the_highlands_of_iceland.jpg)";
					document.getElementById("caption").innerHTML='Away from it all!';
					}
		if(id==6){
					document.getElementById("bigimage").style.background = "url(images/rockmen_statues_near_keflavik.jpg)";
					document.getElementById("caption").innerHTML='Rockmen Statues near Keflavik';
					}
		if(id==7){
					document.getElementById("bigimage").style.background = "url(images/eastern_iceland.jpg)";
					document.getElementById("caption").innerHTML='Eastern Iceland';
					}
					
							if(id==8){
					document.getElementById("bigimage").style.background = "url(images/volcano_burfell.jpg)";
					document.getElementById("caption").innerHTML='Volcano Burfell';
					}
					
							if(id==9){
					document.getElementById("bigimage").style.background = "url(images/svartifoss_waterfall.jpg)";
					document.getElementById("caption").innerHTML='Svartifoss Waterfall';
					}
					
							if(id==10){
					document.getElementById("bigimage").style.background = "url(images/svartifoss_waterfall2.jpg)";
					document.getElementById("caption").innerHTML='Svartifoss Waterfall';
					}
					
							if(id==11){
					document.getElementById("bigimage").style.background = "url(images/skardsvik-beach.jpg)";
					document.getElementById("caption").innerHTML='Skardsvik Beach';
					}
					
							if(id==12){
					document.getElementById("bigimage").style.background = "url(images/landmannalaugar2.jpg)";
					document.getElementById("caption").innerHTML='Landmannalaugar';
					}
					
							if(id==13){
					document.getElementById("bigimage").style.background = "url(images/kokulsarlon_glacial_lake.jpg)";
					document.getElementById("caption").innerHTML='Kokulsarlon Glacial Lake';
					}
					
							if(id==14){
					document.getElementById("bigimage").style.background = "url(images/bluelagoon5.jpg)";
					document.getElementById("caption").innerHTML='Blue Lagoon';
					}
					
							if(id==15){
					document.getElementById("bigimage").style.background = "url(images/iceland_house.jpg)";
					document.getElementById("caption").innerHTML='Typical Iceland house';
					}
					
							if(id==16){
					document.getElementById("bigimage").style.background = "url(images/iceland_northern_lights.jpg)";
					document.getElementById("caption").innerHTML='Northern Lights';
					}
					
							if(id==17){
					document.getElementById("bigimage").style.background = "url(images/iceland_shore_icebergs.jpg)";
					document.getElementById("caption").innerHTML='Iceland shore';
					}
					
								if(id==18){
					document.getElementById("bigimage").style.background = "url(images/bluelagoon4.jpg)";
					document.getElementById("caption").innerHTML='Blue Lagoon';
					}
					
					
					
	}