function show_books(a,b) {
	var val;
	if(b==1) {
		val = "frm_register";
	}
	else if(b==2) {
		val = "spl_frm";
	}
	else if(b==3) {
		val = "index_form";
	}
	switch (a){
		case 'nokia':
			document.getElementById("m_model").innerHTML='&nbsp;&nbsp;<select name="mobile_model" onchange="javascript:fetch_image(document.'+val+'.mobile_model.options[document.'+val+'.mobile_model.selectedIndex].value,\'nokia\');" style="font-size:12px;">'+nokia_model()+'</select>';
		break;	
		case 'motorola':		
			document.getElementById("m_model").innerHTML='&nbsp;&nbsp;<select name="mobile_model" onchange="javascript:fetch_image(document.'+val+'.mobile_model.options[document.'+val+'.mobile_model.selectedIndex].value,\'motorola\');" style="font-size:12px;">'+motorola_model()+'</select>';
	    break;
		case 'sonyericsson':
			document.getElementById("m_model").innerHTML='&nbsp;&nbsp;<select name="mobile_model" onchange="javascript:fetch_image(document.'+val+'.mobile_model.options[document.'+val+'.mobile_model.selectedIndex].value,\'sonyericsson\');" style="font-size:12px;">'+sonyericson_model()+'</select>';
		break;
		case 'lg':
			document.getElementById("m_model").innerHTML='&nbsp;&nbsp;<select name="mobile_model" onchange="javascript:fetch_image(document.'+val+'.mobile_model.options[document.'+val+'.mobile_model.selectedIndex].value,\'lg\');" style="font-size:12px;">'+lg_model()+'</select>';
		break;
		case 'samsung':
			document.getElementById("m_model").innerHTML='&nbsp;&nbsp;<select name="mobile_model" onchange="javascript:fetch_image(document.'+val+'.mobile_model.options[document.'+val+'.mobile_model.selectedIndex].value,\'samsung\');" style="font-size:12px;">'+samsung_model()+'</select>';
		break;
		case 'panasonic':
			document.getElementById("m_model").innerHTML='&nbsp;&nbsp;<select name="mobile_model" onchange="javascript:fetch_image(document.'+val+'.mobile_model.options[document.'+val+'.mobile_model.selectedIndex].value,\'panasonic\');" style="font-size:12px;">'+panasonic_model()+'</select>';
		break;
		case 'other':
					document.getElementById("m_model").innerHTML='&nbsp;&nbsp;<select name="mobile_model" style="font-size:12px;"><option value="">- - - - - - -Select- - - - - - - </option><option value="other">other</option></select>';
		break;
	}
}

function fetch_image(id,fn) {
	
	if(id!="") {
		document.getElementById("img_div").src="images/Small_images/"+fn+"/"+id+".gif";	
	}
	else {
		return false;
	}
}