//Create a boolean variable to check for a valid MS instance.
	var xmlhttp = false;
	
	//Check if we are using IE.
	try {
		//If the javascript version is greater than 5.
		xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
	} catch (e) {
		//If not, then use the older active x object.
		try {
			//If we are using IE.
			xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
		} catch (E) {
			//Else we must be using a non-IE browser.
			xmlhttp = false;
		}
	}
	
	//If we are using a non-IE browser, create a javascript instance of the object.
	if (!xmlhttp && typeof XMLHttpRequest != 'undefined') {
		xmlhttp = new XMLHttpRequest();
	}
	
	
function search_single_books()  {

 str=document.getElementById('txtSearch_single_book').value  

	   if(xmlhttp && str.length>2) {	 
	   
	  
																
						xmlhttp.open("GET", "search_single_books.php?search=" + encodeURIComponent(str));
						
						xmlhttp.onreadystatechange = function()
						{
						
							if (xmlhttp.readyState == 4 && xmlhttp.status == 200) {
							
									if(xmlhttp.responseText.indexOf("not_found")>0) {
										
										alert("לא נמצאו ספרים מתאימים\nספרי אנגלית - נסה/י לכתוב את השם האנגלי באותיות עבריות")	
										document.getElementById('single_book_search_results').innerHTML=""									
									}
									
									else {
									
										document.getElementById('single_book_search_results').innerHTML=xmlhttp.responseText
									
									}
									
																
							}
							
							else  {
							
							 document.getElementById('single_book_search_results').innerHTML="<img src='images/animation1.gif'>"
							
							}
							
						
						}
						xmlhttp.send(null);				
				
	   }	


}