CSS实现链接双击后跳转(非html5 css3)

.test3 span {
	position: relative;
}
.test3 span a { 
	position: relative;
	z-index: 2; 
}
.test3 span a:hover, .test3 span a:active { 
	z-index: 4; 
}
.test3 span input { 
	background: transparent; 
	border: 0; 
	cursor: pointer; 
	position: absolute; 
	top: -1px; 
	left: 0; 
	width: 101%;
	height: 301%;
	z-index: 3; 
}
.test3 span input:focus { 
	background: transparent; 
	border: 0; 
	z-index: 1; 
}