var SEARCHBAR = {

	formName: "iSearch",
	chkBoxsName: "fl",
	defaultText: "-- search --",
	srcFldId: "searchfield",
	srcFldObj: null,

	init: function() {
		this.schFldObj = document.getElementById(this.srcFldId);
		this.schFldObj.value = this.defaultText;
	},

	focusSearch:function() {
		if(this.schFldObj.value == this.defaultText) {
			this.schFldObj.value = "";
		}
	},

	submit:function() {
		var s = false;
		var fl = "";
		var obj = document.forms[this.formName][this.chkBoxsName];

		for (var i=0; i<obj.length; i++) {
			if (obj[i].checked) {
				s = true;
				fl += obj[i].value;
				if (i != obj.length-1) {
					fl += ",";
				}
			}
		}
		
		if (document.getElementById(this.srcFldId).value == this.defaultText || 
			document.getElementById(this.srcFldId).value == "") {
			alert("Please enter a search term.");			 
		} else if (s == false) {
			alert("Please select at least one site to search.");
		} else if (s == true) {
			top.location.href = document.forms[this.formName].action + 
				"?aff=&keywords=" + document.getElementById(this.srcFldId).value +
				"&fl=" + fl.toUpperCase();
		}
		return false;
	}


}