function onClickOption(opt_id)
{	
	//var OptId = document.getElementById(opt_id).value;
	var OptId = document.getElementById(opt_id).options[document.getElementById(opt_id).selectedIndex].value;
	
	var div_description = document.getElementById("desc-box-"+opt_id);
	var paragraphs = div_description.getElementsByTagName("p");
	
	for (var i = 0; i < paragraphs.length; i++)
	{
		if (paragraphs[i].id == "desc-"+opt_id+"-"+OptId)
		{	
			paragraphs[i].style.display = "block";
		}
		else
		{
			paragraphs[i].style.display = "none";
		}
	}
}

initPharagraphs = function() {
	var divs = document.getElementsByTagName("div");
	for (var i = 0; i < divs.length; i++)
	{
		if(divs[i].className == "popup-description-box")
		{
			paragraphs = divs[i].getElementsByTagName("p");		
			paragraphs[0].style.display = "block";
			for (var j = 1; j < paragraphs.length; j++)
			{
				paragraphs[j].style.display = "none";
			}
		}
	}
}

if (window.attachEvent){
	window.attachEvent("onload", initPharagraphs);
	}
else if (window.addEventListener){
	window.addEventListener("load", initPharagraphs, false);
	}