if (document.images) {

        var button1off = new Image()
        button1off.src = "links/home.gif"
        var button1on = new Image()
        button1on.src = "links/homeON.gif"
		
        var button2off = new Image()
        button2off.src = "links/company.gif"
        var button2on = new Image()
        button2on.src = "links/companyON.gif"

        var button3off = new Image()
        button3off.src = "links/products.gif"
        var button3on = new Image()
        button3on.src = "links/productsON.gif"

        var button4off = new Image()
        button4off.src = "links/order.gif"
        var button4on = new Image()
        button4on.src = "links/orderON.gif"

        var button5off = new Image()
        button5off.src = "links/contact.gif"
        var button5on = new Image()
        button5on.src = "links/contactON.gif"

				
		}

		function act(imgName) {
        	if (document.images) {
            	document[imgName].src = eval(imgName + 'on.src')
        		};
		}

		function inact(imgName) {
        	if (document.images) {
                document[imgName].src = eval(imgName + 'off.src')
        	};
	}


function Checkfields()
{

  		if(document.frmEmail.txtName.value == ""){
		alert(" Please enter your name ");
		return false;}

  		if(document.frmEmail.txtName.value == " "){
		alert(" Please enter your name ");
		return false;}

  		if(document.frmEmail.txtName.value == "  "){
		alert(" Please enter your name ");
		return false;}

  		if(document.frmEmail.txtFrom.value == ""){
		alert(" Please enter your e-mail ");
		return false;}

  		if(document.frmEmail.txtFrom.value == " "){
		alert(" Please enter your e-mail ");
		return false;}

  		if(document.frmEmail.txtFrom.value == "  "){
		alert(" Please enter your e-mail ");
		return false;}

  		if(document.frmEmail.txtFrom.value == "   "){
		alert(" Please enter your e-mail ");
		return false;}

  		if(document.frmEmail.txtFrom.value == "    "){
		alert(" Please enter your e-mail ");
		return false;}

  		if(document.frmEmail.txtFrom.value == "     "){
		alert(" Please enter your e-mail ");
		return false;}

  		if(document.frmEmail.txtFrom.value == "      "){
		alert(" Please enter your e-mail ");
		return false;}

  		if(document.frmEmail.txtFrom.value == "       "){
		alert(" Please enter your e-mail ");
		return false;}

  		if(document.frmEmail.txtFrom.value == "        "){
		alert(" Please enter your e-mail ");
		return false;}

  		if(document.frmEmail.txtFrom.value == "         "){
		alert(" Please enter your e-mail ");
		return false;}

  		if(document.frmEmail.txtFrom.value == "          "){
		alert(" Please enter your e-mail ");
		return false;}

  		if(document.frmEmail.txtFrom.value == "           "){
		alert(" Please enter your e-mail ");
		return false;}

  		if(document.frmEmail.txtFrom.value == "            "){
		alert(" Please enter your e-mail ");
		return false;}

}