function random_image()
{
	var blimages=new Array()
	var bcimages=new Array()
	var brimages=new Array()
	var bimgalt = new Array()


	//list random images to display
		blimages[1]="images/banl01.jpg"
		blimages[2]="images/banl02.jpg"
		blimages[3]="images/banl03.jpg"
		blimages[4]="images/banl04.jpg"
		blimages[5]="images/banl05.jpg"		
		
		bcimages[1]="images/banc01.jpg"
		bcimages[2]="images/banc02.jpg"
		bcimages[3]="images/banc03.jpg"
		bcimages[4]="images/banc04.jpg"
		bcimages[5]="images/banc05.jpg"		

		brimages[1]="images/banr01.jpg"
		brimages[2]="images/banr02.jpg"
		brimages[3]="images/banr03.jpg"
		brimages[4]="images/banr04.jpg"
		brimages[5]="images/banr05.jpg"		

		bimgalt[1]="Fullfill a child's dream."
		bimgalt[2]="There's just not enough food for me."
		bimgalt[3]="Keep the smile in a child's face."
		bimgalt[4]="Care for children, donate now."
		bimgalt[5]="Donate school supplies for school children."
						
	var ctr=Math.floor(Math.random()*bcimages.length)
	var imgll
	var imgcc
	var imgrr
	var imgalt
	
	if (ctr==0)
		ctr=1
	switch(ctr) 
		{
			case 1: 
				imgll = blimages[1]
				imgcc = bcimages[1]
				imgrr = brimages[1]
				imgalt = bimgalt[1]
				break;
			case 2: 
				imgll = blimages[2]
				imgcc = bcimages[2]
				imgrr = brimages[2]
				imgalt = bimgalt[2]
				break;
			case 3: 
				imgll = blimages[3]
				imgcc = bcimages[3]
				imgrr = brimages[3]
				imgalt = bimgalt[3]
				break;
			case 4: 
				imgll = blimages[4]
				imgcc = bcimages[4]
				imgrr = brimages[4]
				imgalt = bimgalt[4]
				break;
			case 5: 
				imgll = blimages[5]
				imgcc = bcimages[5]
				imgrr = brimages[5]
				imgalt = bimgalt[5]
				break;
				
		}		
	document.getElementById("banli").src = imgll;
	document.getElementById("banci").src = imgcc;
	document.getElementById("banri").src = imgrr;
	document.getElementById("banci").alt = imgalt;	
}

function doClear(theText) 
{
	if (theText.value == theText.defaultValue)
	{
         theText.value = ""
     }
 }


function validateAmount(amount){
	if(amount.value.match( /^[0-9]+(\.([0-9]+))?$/)){
		return true;
	}else{
		alert('You must enter a valid donation.');
		amount.focus();
		return false;
	}
}


function SelecText(codebox)
{
	document.getElementById("codebox").select()
}


function checkEmail() {
	var email = document.getElementById("email");
	var filter = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;
	if (!filter.test(email.value)) {
		alert("Please provide a valid email address");
		email.focus
		return false;
	}
}
function feedbackcheckEmail() {
	var email = document.getElementById("feed-email");
	var filter = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;
	if (!filter.test(email.value)) {
		alert("Please provide a valid email address");
		email.focus
		return false;
	}
}