var agt = navigator.userAgent.toLowerCase();
var is_opera = (agt.indexOf("opera") != -1);
var is_ie = (agt.indexOf("msie") != -1) && document.all && !is_opera;
var is_ie5 = (agt.indexOf("msie 5") != -1) && document.all;

function getObj(id) {			
	var obj = null;
	if(document.getElementById && !obj)
		obj = document.getElementById(id);
	if(document.all && !obj)
		obj = document.all[id];			
	return obj;
}


function trim(s){
	if(s.length < 1){
		return"";
	}
	s = rTrim(s);
	s = lTrim(s);
	return s;
} //End Function

    
	function rTrim(txt){
		var w_space = String.fromCharCode(32);
		var v_length = txt.length;
		var strTemp = "";
		if(v_length < 0){
		return"";
		}
		var iTemp = v_length -1;

		while(iTemp > -1){
		if(txt.charAt(iTemp) == w_space){
		}
		else{
		strTemp = txt.substring(0,iTemp +1);
		break;
		}
		iTemp = iTemp-1;

		} //End While
		return strTemp;

		} //End Function

	function lTrim(txt){
		var w_space = String.fromCharCode(32);
		if(v_length < 1){
		return"";
		}
		var v_length = txt.length;
		var strTemp = "";

		var iTemp = 0;

		while(iTemp < v_length){
		if(txt.charAt(iTemp) == w_space){
		}
		else{
		strTemp = txt.substring(iTemp,v_length);
		break;
		}
		iTemp = iTemp + 1;
		} //End While
		return strTemp;
		} //End Function
		
		function replace(expression,find,replacement){
			var e = new String(expression)
			rExp = eval('/' + find + '/gi');
			var n = e.replace(rExp,replacement)
			return n;
		}
		
	function keyDownHandler(c, ev){
        if (is_ie != true){
			if (ev.keyCode == 13)
				{
					// cancel the default submit
					ev.returnValue = false; 
					ev.cancel = true; 
					ev.preventDefault();	//alert("tt");
					//var c_obj = getObj(c);
					//if(c_obj)
						//c_obj.click();
					return false;
				}
				else return true;
			}
        else
		  {
			if (event.keyCode == 13)
				{
					// cancel the default submit
					event.returnValue=false;
					event.cancel = true;  
					//var c_obj = getObj(c);
					//if(c_obj)
						//c_obj.click();
					return false;
				}
			else return true;
			}
		}