var txt = {
	"search": "Søg..."
};

function checkfield() {
	var f = document.forms[0];
	for (var i in txt) {
	f[i].onfocus = ffocus;
	f[i].onblur = fblur;
	f[i].value = txt[i];
	}
}

function ffocus() {
	if (this.value==txt[this.name]) this.value="";
}

function fblur() {
	if (this.value=="") this.value=txt[this.name];
}

window.onload = checkfield;