function isArray(obj) {
   if (obj.constructor.toString().indexOf("Array") == -1)
      return false;
   else
      return true;
}
function toggleDivs(divOn,divOff)
{
	divOn && !isArray(divOn) ? divOn = new Array(divOn) : "";
	divOff && !isArray(divOff) ? divOff = new Array(divOff) : "" ;
	
	if (divOff == false) {
		for(var i in divOn) {
			//toggling one Div
			var theDiv = document.getElementById(divOn[i]);
			var state = "";
			if (theDiv.style.display == "block") {
				state = "none";
			}
			else {
				state = "block";
			}
			theDiv.style.display = state;
		}
	} else {
		for(var i in divOn) {
			var dOn = document.getElementById(divOn[i]);
			
			dOn.style.display = "block";
		}
		for(var i in divOff) {
			var dOff = document.getElementById(divOff[i]);
			
			dOff.style.display = "none";
		}
		
	}
}