function toolssubdivtoggle(divName){
		var areaconverterdiv = document.getElementById("areaconverter");
		var eleigibilitycaldiv = document.getElementById("eligiblityDiv");
		var emicalcdiv = document.getElementById("emicalc");
		var selectedDiv = document.getElementById(divName);
		
		areaconverterdiv.style.display = "none";
		eleigibilitycaldiv.style.display = "none";
		emicalcdiv.style.display = "none";
		selectedDiv.style.display = "block";
	}
	
	function hideshowDivs(divName){
		var areaDiv = document.getElementById("areaDiv");
		var lenDiv = document.getElementById("lengthDiv");
		var selectedDiv = document.getElementById(divName);
		
		areaDiv.style.display = "none";
		lenDiv.style.display = "none";
		selectedDiv.style.display = "block";
	}