document.getElementById('title1').setAttribute("style", "background-color: green"); document.getElementById('title2').setAttribute("style", "background-color: green"); document.getElementById('title3').setAttribute("style", "background-color: gray"); document.getElementById('title3').setAttribute("style", "background-color: green"); document.getElementById('title4').setAttribute("style", "background-color: green");

Single click should change the background to green but not open the link

Single click should change the background to green and open the link

Mouseover should change the background to gray and single click to green but not open the link

Single click should change the background to green and open the link