function switchElements(objElement1,objElement2, objLabel)
{
	var objElement1 = document.getElementById(objElement1);
	var objElement2 = document.getElementById(objElement2);
	var objLabel = document.getElementById(objLabel)
	if (objElement1.style.display != "none") 
	{
		objLabel.innerHTML = "Switch to advanced search";
		objLabel.style.marginTop = "25px";
		objLabel.style.marginBottom = "0px";	
		objElement1.style.display = "none";
		objElement2.style.display = "inline";
	}
	else if(objElement2.style.display != "none")
	{
		objLabel.innerHTML = "Switch to simple search";
		objLabel.style.marginTop = "0px";
		objLabel.style.marginBottom = "15px";
		objElement2.style.display = "none";
		objElement1.style.display = "inline";
		
	}
}

function showDiv(obj)
{
	var obj = document.getElementById(obj);

	obj.style.display = "inline";
}
function hideDiv(obj)
{
	var obj = document.getElementById(obj);
	
	obj.style.display = "none";
}
function checkForm(objForm)
{
	var charLength, i;
	var myform = document.forms[objForm];
		
	if(objForm == "searchForm")
	{
		if(myform.searchterm.value.length < 3)
		{
			alert("Search string must be at least 3 characters long","Warning");
			myform.searchterm.focus();
			myform.searchterm.style.borderColor = "red";
			return false;
		}
		myform.searchterm.style.borderColor = "#5A5A5A";
	}
		
	if(objForm == "advancedSearch")
	{
		for(i=6;i<myform.length-1;i++)
		{
		if(myform.elements[i].value.length > 0 && myform.elements[i].value.length != 4 && isNaN(myform.elements[i].value) )
		{
			alert("Only four digit numbers are allowed in date rage fields.");
			myform.elements[i].focus();
			myform.elements[i].style.borderColor = "red";
			return false;
		}
		else myform.elements[i].style.borderColor = "#5A5A5A";
		}
	}
	return true;
}

function ShowHelp()
{
	window.open('help.html','_blank','width=640,left=0,top=0,resizable=1,scrollbars=1');
}