// <![CDATA[
			
function trim(varString){

	var strTemp = varString.toString();
		
	if(strTemp.indexOf(" ") >= 0){
	
		// Left Trim
		for (i=0; i < strTemp.length; i++) {
			if(strTemp.charAt(i) == " "){
				strTemp = strTemp.substring(i + 1);
			}
			else{
				break
			}
		}
		
		// Right Trim
		for (i=strTemp.length - 1;  i >= 0; i--) {
			if(strTemp.charAt(i) == " "){
				strTemp = strTemp.substring(0, i);
			}
			else{
				break
			}
		}
	}
	
	return strTemp
}

function IsValidEmail(email) {

	invalidChars = " /:,;"

	if (email == "") {
	return false
	}

	for (i=0; i<invalidChars.length; i++) {
	badChar = invalidChars.charAt(i)
	if (email.indexOf(badChar,0) > -1) {
	return false
	}
}	
	atPos = email.indexOf("@",1)
	if (atPos == -1) {
	return false
	}

	periodPos = email.indexOf(".",atPos)
	if (periodPos == -1) {
	return false
	}

	if (periodPos+3 > email.length) {
	return false
	}

	return true
}

function SQLInjection(strText) {

	var	arrBadChars = new Array("&", "'", "\"", "+", ",", "(", ")");

	for (i=0; i < arrBadChars.length; i++) {
		if (strText.indexOf(arrBadChars[i], 0) > -1) {
			return true
			break;
		}
	}
	return false
}

/* 
	IsNumeric() Function
	Imitates the VB function of the same name by returning true if the value is numeric
	and false if it is not.
	This function is more user friendly than the JavaScript isNan() function because it allows for 
	decimal points. 
*/
function IsNumeric(varValue) {
	
	varValue = varValue.toString();

	if (varValue.length == 0){
		return false;
	}
	
	for (var n = 0; n < varValue.length; n++){
	
		if (isNaN(varValue.substring(n, n+1)) && (varValue.substring(n, n+1) != "."))
			return false;
		}
		
	return true;
}

/*
 CheckValidDate Procedure
 This function determines if the date is valid and has been entered in dd/mm/yy
 form. This ensures that the date can be converted to Medium Date
 format on the server without any problems.
*/

function IsDate(strDate){

	var blnResult = true;

	// check that the string is at least 6 characters long ie. 1/1/03.		
	if (strDate.length < 6){ 
		blnResult = false;
	}
	else{
		// check that there are 3 values separated by forward slashes.
		var arrDate = strDate.split("/")
	
		if(arrDate.length != 3){ 
			blnResult = false;
		}
		else{
			// check that each of the 3 values are numeric
			for (i = 0; i <= 2; i++){
				if(isNaN(arrDate[i])){
					blnResult = false;
				}
				else{
					/*
					 check that the month (array element 1) is between 1 and 12
					 and the days (array element 0) do not exceed the number of days in the month
					 */
					if (i == 1) {	// Jan, Mar, May, July, Aug, Oct, Dec
						if (arrDate[i] == 1 || arrDate[i] == 3 || arrDate[i] == 5 || arrDate[i] == 7 ||
							arrDate[i] == 8 || arrDate[i] == 10 || arrDate[i] == 12){
							if(arrDate[0] < 1 || arrDate[0] > 31){
								blnResult = false;
							}
						}			// Apr, Jun, Sep, Nov
						else if(arrDate[i] == 4 || arrDate[i] == 6 || arrDate[i] == 9 || arrDate[i] == 11){
								if(arrDate[0] < 1 || arrDate[0] > 30){
									blnResult = false;
								}
						}
						else if (arrDate[i] == 2){ 		// Feb
							
							if (arrDate[2] % 4 == 0){ 	// leap year
								if(arrDate[0] < 1 || arrDate[0] > 29){
									blnResult = false;
								}
							}
							else{ 						// non leap year
								if(arrDate[0] < 1 || arrDate[0] > 28){
									blnResult = false;
								}
							}
						}
						else{
							blnResult = false;
						}
					}
				}
			}
		}
	}
	return blnResult;
}

function PhotoWindow(strFileName, intWidth, intHeight){
	
	var posX = (screen.width / 2) - (intWidth / 2);
	
	window.open("photo_window.php?f="+ strFileName, "PhotoGallery","height="+ intHeight +",width="+ intWidth +",left="+ posX +",top=50,toolbar=0,scrollbars=0,resizable=yes");
}

function URLWindow(strURL, intWidth, intHeight){
	
	var posX = (screen.width / 2) - (intWidth / 2);
	
	window.open(strURL, "","height="+ intHeight +",width="+ intWidth +",left="+ posX +",top=50,toolbar=0,scrollbars=0,resizable=yes");
}

function AbsolutePosition(strObjectName, strAxis){
	
	if (document.getElementById) {	//  IE 5+, NS6+, Mozilla
		objHTMLObject = document.getElementById(strObjectName);
	} else if(document.all) { 
		objHTMLObject = document.all.item(strObjectName);
	}
	
	if (strAxis.toUpperCase() == 'Y'){
	
		var intTempPos = objHTMLObject.offsetTop;
		var strTagName = objHTMLObject.tagName;
					
		while(strTagName != "BODY" && strTagName != "HTML"){
			objHTMLObject = objHTMLObject.offsetParent;
			intTempPos = intTempPos + objHTMLObject.offsetTop;
			strTagName = objHTMLObject.tagName;
		} 
		
	} else if (strAxis.toUpperCase() == 'X'){
	
		var intTempPos = objHTMLObject.offsetLeft;
		var strTagName = objHTMLObject.tagName;
					
		while(strTagName != "BODY" && strTagName != "HTML"){
			
			objHTMLObject = objHTMLObject.offsetParent;
			intTempPos = intTempPos + objHTMLObject.offsetLeft;
			strTagName = objHTMLObject.tagName;
		} 
		
	} else {
		
		var intTempPos = 0;
		
	}
	
	return intTempPos;
	
}

function PositionAward(){
	
	var objAward = document.getElementById("award");
	
	var intPosX = AbsolutePosition("content_left", "X");
	var intPosY = AbsolutePosition("content_left", "Y");
					
	objAward.style.left = (intPosX + 36) + "px";
	objAward.style.top = (intPosY + 106) + "px";
	objAward.style.display = "block";
		
	objAward = null;
	
}

function PositionBG(){
	if(screen.width > 1024){
		document.body.style.backgroundImage = 'url(images/bg_twig.gif)';
	}
}
// ]]>