/*********************************************
		toggle between Lp and Ece 
**********************************************/
function toggleBlock(contentToOpen,contentToClose){					

	if (document.getElementById){			
		// this is the way the standards work
		var blockToOpen= document.getElementById(contentToOpen).style;
		var blockToClose = document.getElementById(contentToClose).style;
		//window.alert("found the id");
	}
	else if (document.all){
		// this is the way old msie versions work
		var blockToOpen = document.all[contentToOpen].style;
		var blockToClose = document.all[contentToClose].style;
		//window.alert("found the id");				
	}
	else if (document.layers){
		// this is the way nn4 works
		var blockToOpen = document.layers[contentToOpen].style;
		var blockToClose = document.layers[contentToClose].style;
		//window.alert("found the id");
	}
	else{
		//window.alert("I can't find the ID");
	}
	
	//update DOM	
	blockToClose.display = 'none';
	blockToOpen.display = 'block';
	
}