/* form default swap out function */
var swapItArray;
function swapIt(element,content){
	if(typeof(swapItArray) != "object"){
		swapItArray = new Array();
	}
	if(document.getElementById(element).value=="")
	{
		document.getElementById(element).value=content;
		var count = swapItArray.length;
		swapItArray[count] = new Array(element, content);
	}
}

/* clears default text entered into fields */
function clearSwapIts(){
	for(var i = 0; i < swapItArray.length; i++) {
		if(document.getElementById(swapItArray[i][0]).value == swapItArray[i][1]) {
			document.getElementById(swapItArray[i][0]).value = "";
		}
	}
}

// Removes leading whitespaces
function ltrim( value ) {
	var re = /\s*((\S+\s*)*)/;
	return value.toString().replace(re, "$1");
}

// Removes ending whitespaces
function rtrim( value ) {
	var re = /((\s*\S+)*)\s*/;
	return value.toString().replace(re, "$1");
}

// Removes leading and ending whitespaces
function trim(value) {
	return ltrim(rtrim(value));
}

function _cancelEvent (evt) {
    if(window.event) {
        window.event.returnValue = false;
    } else if(evt) {
        evt.preventDefault();
    }
}