function trimstr(str){

	var count=0;
	var tmp=""; 
	var newArray = str.split(" ");
	
	for (var i=0;i<newArray.length;i++){
		  if (newArray[i]!=""){
			 if (count == 0){
				tmp = newArray[i];
			 }else{
				tmp = tmp + " " + newArray[i];
			 count++;
			 }
		  }
	   }   
	   return tmp;  
}