function expander(id){
	if(document.getElementById("div"+id).style.height!='100%'){
		for(i=1;i<=2;i++){
			if(i==id){
				openDiv(i);
			}
			else{
				if(document.getElementById("div"+i)){
					closeDiv(i);
				}
			}
		}
	}/*else{
		closeDiv(id);
	}*/
}

function expanderSub(id){
	if(document.getElementById("div"+id).style.height!='100%'){
		openDiv(id);		
	}else{
		if(document.getElementById("div"+id)){
			closeDiv(id);
		}
	}
}

function openDiv(id){
	if (id == 1) {
		document.getElementById("offer1").style.background = '#02b9ff url(images/header_bg_light_blue.jpg)';
		document.getElementById("offer2").style.background = '#21374f url(images/header_bg_dark_blue.jpg)';
	} else {
		document.getElementById("offer1").style.background = '#21374f url(images/header_bg_dark_blue.jpg)';
		document.getElementById("offer2").style.background = '#02b9ff url(images/header_bg_light_blue.jpg)';
	}
	if(document.getElementById("div"+id)){
		document.getElementById("div"+id).style.display='block';
		document.getElementById("div"+id).style.visibility = 'visible';
		document.getElementById("div"+id).style.height='100%';
	}
}

function closeDiv(id){
	if(document.getElementById("div"+id)){
		document.getElementById("div"+id).style.height='0';
	}
}

function jumpToDiv(id) {
	
	expander(id);
}