function toggleDisplay(id){
	if(document.getElementById(id).style.display == ""){
		document.getElementById(id).style.display = "none";
	}else{
		document.getElementById(id).style.display = "";
	}
}

function displayItem(id,display){
	if(display == 1){
		document.getElementById(id).style.display = "";
	}else{
		document.getElementById(id).style.display = "none";
	}
}

function showForm(form,display){
	if(display == 1){
		document.getElementById('header').style.display = "none";
		document.getElementById('page_content').style.display = "none";
		document.getElementById('footer').style.display = "none";
		document.body.style.backgroundColor = "#404040";
		document.getElementById(form).style.display = "";
	}else{
		document.body.style.backgroundColor = "#FFFFFF";
		document.getElementById('header').style.display = "";
		document.getElementById('page_content').style.display = "";
		document.getElementById('footer').style.display = "";
		document.getElementById(form).style.display = "none";
	}
}

function offerEnquire(id){
	document.forms.enqnow.adid.value = id;
}

function changeVehThumb(direct){
	var curimg = document.getElementById('curvehimg').value;
	var nimgs = document.getElementById('nvehimgs').value;

	if(direct == "prev"){
		var thisimg = parseFloat(curimg) - 1;
	}else{
		var thisimg = parseFloat(curimg) + 1;
	}

	if(thisimg >= 1 && thisimg <= nimgs){
		document.getElementById('vehimg'+curimg).style.display = "none";
		document.getElementById('vehimg'+thisimg).style.display = "";
		document.getElementById('imgnumdisp').innerHTML = thisimg;
		document.getElementById('curvehimg').value = thisimg;
		
		if(thisimg > 1){
			document.getElementById('imgbut_prev').style.display = "";
		}else{
			document.getElementById('imgbut_prev').style.display = "none";
		}
		
		if(thisimg < nimgs){
			document.getElementById('imgbut_next').style.display = "";
		}else{
			document.getElementById('imgbut_next').style.display = "none";
		}
	}
}