function setsearch() {
selected=false
document.dataform.selecttype.value=""
for (var i = 0; i < document.dataform.elements.length; i++) {
	if(document.dataform.elements[i].checked)
	{
		document.dataform.selecttype.value+= document.dataform.elements[i].name
		selected=true
	}
	}
	if (document.dataform.all.checked)
	{
		document.dataform.selecttype.value= "cvuxatfbwpsh"
		selected=true
	}
	if (selected==true) {document.dataform.submit()}
	else {
		alert("You have not selected any categories")
	}
}