Split a text using javascript

function splitText()
{
var temp=document.getElementById('TextBox1').value.split(' ',3);
document.getElementById('TextBox1').value=temp[0];
document.getElementById('TextBox2').value=temp[1];
document.getElementById('TextBox3').value=temp[2];

document.getElementById('DropDownList1').value=temp[0];
document.getElementById('DropDownList2').value=temp[1];
document.getElementById('DropDownList3').value=temp[2];
}