function   search_form()   	
{ 
	//windows
	if(document.sform.os.value=="0") {
		if (document.sform.format.value == "11") {  
			var output = new Array(14);//required same as the numbers of output items
			var i = document.sform.output.value;
			var dir = (document.sform.dir.value == 0)?"":"tutorial/";		 
			output[0] = "http://www.aimersoft.com/"+dir+"dvd-to-ipod-converter.html";
			output[1] = "http://www.aimersoft.com/"+dir+"dvd-to-mp4-converter.html";
			output[2] = "http://www.aimersoft.com/"+dir+"dvd-to-psp-converter.html";
			output[3] = "http://www.aimersoft.com/"+dir+"dvd-to-iphone-converter.html";
			output[4] = "http://www.aimersoft.com/"+dir+"dvd-to-zune-converter.html";
			output[5] = "http://www.aimersoft.com/"+dir+"dvd-to-appletv-converter.html";
			output[6] = "http://www.aimersoft.com/"+dir+"dvd-to-3gp-converter.html";
			output[7] = "http://www.aimersoft.com/"+dir+"dvd-to-mobile-devices-converter.html";
			output[9] = "http://www.aimersoft.com/"+dir+"dvd-audio-ripper.html";
			output[10] = "http://www.aimersoft.com/"+dir+"dvd-ripper.html";
			output[14] = "http://www.aimersoft.com/"+dir+"dvd-to-pocketpc-converter.html";
			output[15] = "http://www.aimersoft.com/"+dir+"dvd-to-blackberry-converter.html";
			output[16] = "http://www.aimersoft.com/"+dir+"dvd-creator.html";
			output[17] = "http://www.aimersoft.com/"+dir+"dvd-converter-suite.html";
		} else if (document.sform.format.value == "12") {
			var output = new Array(14);//required same as the numbers of output items
			var i = document.sform.output.value;
			var dir = (document.sform.dir.value == 0)?"":"tutorial/";		 
			output[0] = "http://www.aimersoft.com/"+dir+"ipod-converter-suite.html";
			output[1] = "http://www.aimersoft.com/"+dir+"mp4-converter-suite.html";
			output[2] = "http://www.aimersoft.com/"+dir+"psp-converter-suite.html";
			output[3] = "http://www.aimersoft.com/"+dir+"iphone-converter-suite.html";
			output[4] = "http://www.aimersoft.com/"+dir+"zune-converter-suite.html";
			output[5] = "http://www.aimersoft.com/"+dir+"appletv-converter-suite.html";
			output[6] = "http://www.aimersoft.com/"+dir+"3gp-converter-suite.html";
			output[7] = "http://www.aimersoft.com/"+dir+"mobile-devices-video-suite.html";
			output[9] = "http://www.aimersoft.com/"+dir+"audio-converter-pack.html";
			output[10] = "http://www.aimersoft.com/"+dir+"video-converter.html";
			output[14] = "http://www.aimersoft.com/"+dir+"pocketpc-converter-suite.html";
			output[15] = "http://www.aimersoft.com/"+dir+"blackberry-converter-suite.html";
			output[17] = "http://www.aimersoft.com/"+dir+"video-converter.html";
			output[16] = "http://www.aimersoft.com/"+dir+"dvd-creator.html";
		} else if(document.sform.format.value == "13") {		 
			var output = new Array(1);//required same as the numbers of output items
			var i = 0;
			var dir = (document.sform.dir.value == 0)?"":"tutorial/";		 
			output[0] = "audio-converter-pack.html";		 
		} else {
			var output = new Array(14);//required same as the numbers of output items
			var i = document.sform.output.value;
			var dir = (document.sform.dir.value == 0)?"":"tutorial/";		 
			output[0] = "http://www.aimersoft.com/"+dir+"ipod-video-converter.html";
			output[1] = "http://www.aimersoft.com/"+dir+"mp4-video-converter.html";
			output[2] = "http://www.aimersoft.com/"+dir+"psp-video-converter.html";
			output[3] = "http://www.aimersoft.com/"+dir+"iphone-video-converter.html";
			output[4] = "http://www.aimersoft.com/"+dir+"zune-video-converter.html";
			output[5] = "http://www.aimersoft.com/"+dir+"appletv-movie-converter.html";
			output[6] = "http://www.aimersoft.com/"+dir+"3gp-video-converter.html";
			output[7] = "http://www.aimersoft.com/"+dir+"video-converter-for-mobile-devices.html";
			output[9] = "http://www.aimersoft.com/"+dir+"video-to-audio-converter.html";	
			output[10] = "http://www.aimersoft.com/"+dir+"video-converter.html";
			output[17] = "http://www.aimersoft.com/"+dir+"dvd-converter-suite.html";
			output[14] = "http://www.aimersoft.com/"+dir+"pocketpc-video-converter.html";
			output[15] = "http://www.aimersoft.com/"+dir+"video-converter-for-blackberry.html";
			output[16] = "http://www.aimersoft.com/"+dir+"dvd-creator.html";
		} 
		location.href = output[i];
		//window.open(output[i]);   
	} else if(document.sform.os.value=="1") {		//mac
		if (document.sform.format.value == "11") {  
			var output = new Array(14);//required same as the numbers of output items
			var i = document.sform.output.value;
			var dir = (document.sform.dir.value == 0)?"":"tutorial/";		 
			output[0] = "http://www.aimersoft.com/"+dir+"dvd-ripper-for-mac.html";
			output[1] = "http://www.aimersoft.com/"+dir+"dvd-ripper-for-mac.html";
			output[2] = "http://www.aimersoft.com/"+dir+"dvd-ripper-for-mac.html";
			output[3] = "http://www.aimersoft.com/"+dir+"dvd-ripper-for-mac.html";
			output[4] = "http://www.aimersoft.com/"+dir+"dvd-ripper-for-mac.html";
			output[5] = "http://www.aimersoft.com/"+dir+"dvd-ripper-for-mac.html";
			output[6] = "http://www.aimersoft.com/"+dir+"dvd-ripper-for-mac.html";
			output[7] = "http://www.aimersoft.com/"+dir+"dvd-ripper-for-mac.html";
			output[9] = "http://www.aimersoft.com/"+dir+"dvd-ripper-for-mac.html";
			output[10] = "http://www.aimersoft.com/"+dir+"dvd-ripper-for-mac.html";
			output[14] = "http://www.aimersoft.com/"+dir+"dvd-ripper-for-mac.html";
			output[15] = "http://www.aimersoft.com/"+dir+"dvd-ripper-for-mac.html";
			output[16] = "http://www.aimersoft.com/"+dir+"dvd-ripper-for-mac.html";
			output[17] = "http://www.aimersoft.com/"+dir+"dvd-ripper-for-mac.html";
		} else if (document.sform.format.value == "12") {
			var output = new Array(14);//required same as the numbers of output items
			var i = document.sform.output.value;
			var dir = (document.sform.dir.value == 0)?"":"tutorial/";		 
			output[0] = "http://www.aimersoft.com/"+dir+"mac-dvd-converter-suite.html";
			output[1] = "http://www.aimersoft.com/"+dir+"mac-dvd-converter-suite.html";
			output[2] = "http://www.aimersoft.com/"+dir+"mac-dvd-converter-suite.html";
			output[3] = "http://www.aimersoft.com/"+dir+"mac-dvd-converter-suite.html";
			output[4] = "http://www.aimersoft.com/"+dir+"mac-dvd-converter-suite.html";
			output[5] = "http://www.aimersoft.com/"+dir+"mac-dvd-converter-suite.html";
			output[6] = "http://www.aimersoft.com/"+dir+"mac-dvd-converter-suite.html";
			output[7] = "http://www.aimersoft.com/"+dir+"mac-dvd-converter-suite.html";
			output[9] = "http://www.aimersoft.com/"+dir+"mac-dvd-converter-suite.html";
			output[10] = "http://www.aimersoft.com/"+dir+"mac-video-converter.html";
			output[14] = "http://www.aimersoft.com/"+dir+"mac-dvd-converter-suite.html";
			output[15] = "http://www.aimersoft.com/"+dir+"mac-dvd-converter-suite.html";
			output[17] = "http://www.aimersoft.com/"+dir+"mac-video-converter.html";
			output[16] = "http://www.aimersoft.com/"+dir+"dvd-creator-for-mac.html";
		} else if(document.sform.format.value == "13") {		 
			var output = new Array(1);//required same as the numbers of output items
			var i = 0;
			var dir = (document.sform.dir.value == 0)?"":"tutorial/";		 
			output[0] = "audio-converter-pack.html";		 
		} else {
			var output = new Array(14);//required same as the numbers of output items
			var i = document.sform.output.value;
			var dir = (document.sform.dir.value == 0)?"":"tutorial/";		 
			output[0] = "http://www.aimersoft.com/"+dir+"mac-video-converter.html";
			output[1] = "http://www.aimersoft.com/"+dir+"mac-video-converter.html";
			output[2] = "http://www.aimersoft.com/"+dir+"mac-video-converter.html";
			output[3] = "http://www.aimersoft.com/"+dir+"mac-video-converter.html";
			output[4] = "http://www.aimersoft.com/"+dir+"mac-video-converter.html";
			output[5] = "http://www.aimersoft.com/"+dir+"mac-video-converter.html";
			output[6] = "http://www.aimersoft.com/"+dir+"mac-video-converter.html";
			output[7] = "http://www.aimersoft.com/"+dir+"mac-video-converter.html";
			output[9] = "http://www.aimersoft.com/"+dir+"mac-video-converter.html";	
			output[10] = "http://www.aimersoft.com/"+dir+"mac-video-converter.html";
			output[17] = "http://www.aimersoft.com/"+dir+"mac-dvd-converter-suite.html";
			output[14] = "http://www.aimersoft.com/"+dir+"mac-video-converter.html";
			output[15] = "http://www.aimersoft.com/"+dir+"mac-video-converter.html";
			output[16] = "http://www.aimersoft.com/"+dir+"dvd-creator-for-mac.html";
		} 
		location.href = output[i];
		//window.open(output[i]);   
	}
}