Untitled

<html><head><title>Test</title></head><body>

<input type=text id="inputText" value="testValue" onInput=doIt(this);>

</body></html>

var editedValue = "testValue";

// alert(editedValue);

function doIt(that)
{

var caretPos = that.selectionStart;

if (that.value.indexOf(" ") != -1)
{
that.value = editedValue;
// alert(caretPos);
that.selectionStart = caretPos;
}
else
{
editedValue = that.value;
}

}

function doIt(e)
{
    var e = e || event;

    if (e.keyCode == 32) return false; // 32 is the keycode for the spacebar

}

window.onload = function(){
    var inp = document.getElementById("inputText");

    inp.onkeydown = doIt;
};

function pasteIt(e)
{
    var e = e || event;

    this.value = this.value.replace(/s/g,'');

}

function pasteIt(e)
{
    var e = e || event;
    var data = e.clipboardData.getData("text/plain");

    if (data.match(/s/g)) return false;
}

function bindEvents()
{
$(inputText).bind('keydown paste', checkForSpaces);
}

function checkForSpaces()
{
if (event.type == "keydown" && event.which == 32) {return false;}
if (event.type == "paste" && event.clipboardData.getData('text/plain').indexOf(" ") != -1) {return false;}
}