var section = "welcome_block";
var sections = new Array("welcome_block","about_block","plan_block");
function show(section, anchorname) {

		for (i=0;i<3;i++) {
			
			//var sec = eval(sections[i]);
			
			//document.getElementById(sec).style.display = "none";
			var welcome_block = document.getElementById('welcome_block');
			
			var about_block = document.getElementById('about_block');
			
			var plan_block = document.getElementById('plan_block');
			
			
			var event_block = document.getElementById('event_block');
			
			
			var contact_block = document.getElementById('contact_block');
			
			
			var donate_block = document.getElementById('donate_block');
			
			
			welcome_block.style.display = "none";
			
			about_block.style.display = "none"; 
			
			plan_block.style.display = "none"; 
			
			
			event_block.style.display = "none"; 
			
			contact_block.style.display = "none"; 
			
			donate_block.style.display = "none"; 
		}
		
		document.getElementById(section).style.display = "block"; 
		
		window.location.hash= anchorname;
		
	 
  }