totalNumGeneral = 31;
totalNumContact = 10;
totalNumBanking = 5;
totalNumHome = 9;
totalNumNews = 3;

NumGeneral = Math.floor(Math.random(totalNumGeneral)*totalNumGeneral);
NumContact = Math.floor(Math.random(totalNumContact)*totalNumContact);
NumBanking = Math.floor(Math.random(totalNumBanking)*totalNumBanking);
NumHome = Math.floor(Math.random(totalNumHome)*totalNumHome);
NumNews = Math.floor(Math.random(totalNumNews)*totalNumNews);
	

function chooseGeneralImage(folderName) {
	document.write("<img src='"+folderName+""+NumGeneral+".jpg' width='250' height='250' border='0'>");
}

function chooseGeneralHeader(folderName) {
	document.write("<img src='"+folderName+""+NumGeneral+"header.jpg' width='250' height='75' border='0'>");
}

function chooseContactImage(folderName) {
	document.write("<img src='"+folderName+""+NumContact+".jpg' width='250' height='250' border='0'>");
}

function chooseContactHeader(folderName) {
	document.write("<img src='"+folderName+""+NumContact+"header.jpg' width='250' height='75' border='0'>");
}

function chooseBankingImage(folderName) {
	document.write("<img src='"+folderName+""+NumBanking+".jpg' width='250' height='250' border='0'>");
}

function chooseBankingHeader(folderName) {
	document.write("<img src='"+folderName+""+NumBanking+"header.jpg' width='250' height='75' border='0'>");
}

function chooseHomeImage(folderName) {
	document.write("<img src='"+folderName+""+NumHome+".jpg' width='250' height='250' border='0'>");
}

function chooseHomeHeader(folderName) {
	document.write("<img src='"+folderName+""+NumHome+"header.jpg' width='250' height='75' border='0'>");
}

function chooseNewsImage(folderName) {
	document.write("<img src='"+folderName+""+NumNews+".jpg' width='250' height='250' border='0'>");
}

function chooseNewsHeader(folderName) {
	document.write("<img src='"+folderName+""+NumNews+"header.jpg' width='250' height='75' border='0'>");
}