function submitform() {
	document.poliformForm.submit();
}

function resetform() {
	document.poliformForm.reset();
}

// Is letter key 
function isNumberKey(evt) { 
	var charCode = (evt.which) ? evt.which : evt.keyCode; 
	if (charCode > 31 && (charCode < 48 || charCode > 57)) { 
		return false; 
	} else { 
		return true; 
	} 
} 

function get_randomPicNum(NoOfPics) {
	// Assign Random number
	ranPicNum = Math.floor(Math.random()*NoOfPics); //var ranCssNum= Math.floor(Math.random()*Number of Pics you Have);

	return ranPicNum;		
}

function getRandomPic() {
	var whichPic=get_randomPicNum(6);
	var picName=new Array(6) // var picName=new Array(Number of Pic's you Have)

	picName[0]="<img src='images/home1.jpg' alt='Poliform Australia' width='594' height='350' />";
	picName[1]="<img src='images/home2.jpg' alt='Poliform Australia' width='594' height='350' />";
	picName[2]="<img src='images/home3.jpg' alt='Poliform Australia' width='594' height='350' />";
	picName[3]="<img src='images/home4.jpg' alt='Poliform Australia' width='594' height='350' />";
	picName[4]="<img src='images/home5.jpg' alt='Poliform Australia' width='594' height='350' />";
	picName[5]="<img src='images/home6.jpg' alt='Poliform Australia' width='594' height='350' />";
	
	//I am using 6 Pic files in this example. you can add or remove ;)
	//for Add more Pic's just add line like this 
	//picName[Next Number]="<img src='images/home1.jpg' alt='Poliform Australia' width='594' height='350' />";
	return picName[whichPic]
}