function browser(){
	this.type = '';
	this.ver = 0;
	this.init = function(){
		var agt=navigator.userAgent.toLowerCase();
		var is_ie     = ((agt.indexOf("msie") != -1) && (agt.indexOf("opera") == -1));
		
		var is_firefox = (navigator.userAgent.indexOf("Firefox")!=-1);
		var is_nav = (navigator.appName=="Netscape");
		
		var is_gecko = (agt.indexOf('gecko') != -1);

		var is_opera = (agt.indexOf("opera") != -1);
		var is_webtv = (agt.indexOf("webtv") != -1); 
		var is_aol   = (agt.indexOf("aol") != -1);
		
		if(is_ie){
			this.type = 'ie';
			var temp= navigator.appVersion.split("MSIE")
			this.ver = parseFloat(temp[1])
		}else if(is_firefox){
			this.type = 'firefox';
			var versionindex = navigator.userAgent.indexOf("Firefox")+8;
			this.ver = parseInt(navigator.userAgent.charAt(versionindex));

		}	
		else if(is_nav){
			this.type = 'ns';
			this.ver = parseFloat(navigator.appVersion);
		}else if(is_opera){
			this.type = 'opera';
		}else if(is_gecko){
			this.type = 'gecko';
		}else if(is_webtv){
			this.type = 'webtv';
		}else if(is_aol){
			this.type = 'aol';
		}
	}
}
//Trim function
String.prototype.trim = function(){
	var a = this.replace(/^\s+/,'');
	return a.replace(/\s+$/,'');
}

function _selectTab(formname, tabid){
	var theform = document.forms[formname];
	var q = theform.q.value;
	q = q.trim();
	if(q != ''){
		theform.serverid.value = tabid;
		callSearch(theform);
	}
}
function callSearch(theform){
	var q = theform.q.value;
	q = q.trim();
	if(q != ''){
		theform.submit();
	}
}