function expand() {
				this.block = document.getElementById('inside');
					if (this.block.className == 'hover') { 
						this.block.className = '';
					} else {
						this.block.className = 'hover';
					}		
				}
				function expanding() {
				this.block = document.getElementById('mail');
					if (this.block.className == 'hover') { 
						this.block.className = '';
					} else {
						this.block.className = 'hover';
					}		
				}