function revealSub(){
		
		curr = document.location.href;
		expand = new Array();
		expand[0] = new Array();
		expand[0][0] = 'sub_people';
		expand[0][1] = new Array('people', 'faculty', 'student', 'template');
		expand[1] = new Array();
		expand[1][0] = 'sub_facilities';
		expand[1][1] = new Array('facilities', 'research', 'teaching');
		//alert(expand.length);
		for(i=0;i<expand.length;i++){
			for( j=0; j < expand[i][1].length; j++ ){
				var reg = new RegExp(expand[i][1][j]);
				//alert(reg);
				if (reg.test( curr )){
					
					expandSub( expand[i][0] );
				}
			}	
		} 
		
		
	}
	
	function expandSub( id ){
		//alert( id );
		document.getElementById(id ).style.display = 'block';
	
	}
	
	function dispEma( ulid ){
		var _u = ulid;
		var _d = "ilstu.edu";
	
		document.write("<a href='mailto:"+_u + "@" + _d+"'>" +_u + "@" + _d+"</a>");	
	}