function chooseStyle(choice)
{   
     styleObj = document.forms[0].style;
	var styleLength = styleObj.length;
	//alert ("choice = " + choice + ",  styleLength = " + styleLength );
	if(styleLength == undefined) {
		return;
	}
	for(var i = 0; i < styleLength; i++) {
		styleObj[i].checked = false;
		if(styleObj[i].value == choice)
              {	styleObj[i].checked = true;
                    //if no siteid has been assigned yet, sbmit the form so one is created
                    //if we don't do this, the preview button doesn't work the first time its clicked.
                   //if (jssiteid == "") {document.forms[0].submit();}    
		     }
	}
}